- International
- National and local
- Religious feast days
August Holidays and Observances
Every fixed-date holiday and observance in August, from international days to national holidays and religious feast days. Select a day to see its full list. The dates are the same every year, so holidays whose date moves, such as Easter, are not listed. All entries come from Wikipedia. For the events and famous birthdays of the month, see what happened in August in history.
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29 holidays
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17 holidays
3
14 holidays
4
14 holidays
5
14 holidays
6
12 holidays
7
21 holidays
8
16 holidays
9
17 holidays
10
13 holidays
11
14 holidays
12
17 holidays
13
22 holidays
14
12 holidays
15
31 holidays
16
14 holidays
17
11 holidays
18
14 holidays
19
18 holidays
20
17 holidays
21
13 holidays
22
9 holidays
23
18 holidays
24
15 holidays
25
22 holidays
26
15 holidays
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20 holidays
28
9 holidays
29
Not available
30
22 holidays
31
17 holidays
Today's holidays
All August holidays by day
August has 497 fixed-date holidays and observances, including 20 international days, 154 national and local holidays, and 323 religious feast days. Highlights include World Scout Scarf Day on August 1 and International Cat Day on August 8.
International
- World Scout Scarf Day Wikipedia source
National and local
- Armed Forces Day (Lebanon) Wikipedia source
- Armed Forces Day (China) or Anniversary of the Founding of the People's Liberation Army (People's Republic of China) Wikipedia source
- Azerbaijani Language and Alphabet Day (Azerbaijan) Wikipedia source
- Emancipation Day is commemorated in many parts of the former British Empire, which marks the day the Slavery Abolition Act 1833 came into effect which abolished chattel slavery in the British Empire: Emancipation Day is a public holiday in Barbados, Bermuda, Guyana, Jamaica, Saint Vincent and the Grenadines, Trinidad and Tobago Wikipedia source
- Minden Day (United Kingdom) Wikipedia source
- National Day, celebrates the independence of Benin from France in 1960 Wikipedia source
- Official Birthday and Coronation Day of the King of Tonga (Tonga) Wikipedia source
- Parents' Day (Democratic Republic of the Congo) Wikipedia source
- Statehood Day (Colorado) Wikipedia source
- Swiss National Day, commemorates Switzerland becoming a single unit in 1291 Wikipedia source
- The beginning of autumn observances in the Northern hemisphere and spring observances in the Southern hemisphere (Neopagan Wheel of the Year): Lughnasadh in the Northern hemisphere, Imbolc in the Southern hemisphere; traditionally begins on the eve of August 1. (Gaels, Ireland, Scotland, Neopagans) Wikipedia source
- The beginning of autumn observances in the Northern hemisphere and spring observances in the Southern hemisphere (Neopagan Wheel of the Year): Lammas (England, Scotland, Neopagans) Wikipedia source
- The beginning of autumn observances in the Northern hemisphere and spring observances in the Southern hemisphere (Neopagan Wheel of the Year): Pachamama Raymi (Quechuan in Ecuador and Peru) Wikipedia source
- Victory Day (Cambodia, Laos, Vietnam) Wikipedia source
- Yorkshire Day (Yorkshire, England) Wikipedia source
Religious feast days
- Abgar V of Edessa (Syrian Church) Wikipedia source
- Alphonsus Maria de' Liguori Wikipedia source
- Æthelwold of Winchester Wikipedia source
- Bernard Võ Văn Duệ (one of Vietnamese Martyrs) Wikipedia source
- Blessed Gerhard Hirschfelder Wikipedia source
- Eusebius of Vercelli Wikipedia source
- Exuperius of Bayeux Wikipedia source
- Felix of Girona Wikipedia source
- Peter Apostle in Chains Wikipedia source
- Blessed Mary Stella and her Ten Companions Wikipedia source
- Procession of the Cross and the beginning of Dormition Fast (Eastern Orthodoxy) Wikipedia source
- The Holy Maccabees Wikipedia source
- August 1 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Day of Azerbaijani cinema (Azerbaijan) Wikipedia source
- Our Lady of the Angels Day (Costa Rica) Wikipedia source
- Paratroopers Day (Russia) Wikipedia source
- Republic Day (North Macedonia) Wikipedia source
- Romani genocide-related observances, including: Roma Holocaust Memorial Day (Council of Europe, European Parliament) Wikipedia source
Religious feast days
- Ahudemmeh (Syriac Orthodox Church) Wikipedia source
- Basil Fool for Christ (Russian Orthodox Church) Wikipedia source
- Ceferino Giménez Malla Wikipedia source
- Centola and Helen Wikipedia source
- Joan of Aza Wikipedia source
- Justin Russolillo Wikipedia source
- Peter Julian Eymard Wikipedia source
- Plegmund Wikipedia source
- Pope Stephen I Wikipedia source
- Portiuncola Indulgence ("Pardon of Assisi"), the plenary indulgence related to St. Francis of Assisi (Catholic Church) Wikipedia source
- Samuel David Ferguson (Episcopal Church) Wikipedia source
- August 2 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Anniversary of the Killing of Pidjiguiti (Guinea-Bissau) Wikipedia source
- Armed Forces Day (Equatorial Guinea) Wikipedia source
- Flag Day (Venezuela) Wikipedia source
- Independence Day, celebrates the independence of Niger from France in 1960. Arbor Day (Niger) Wikipedia source
- National Guard Day (Venezuela) Wikipedia source
Religious feast days
- Blessed Augustin Kažotić Wikipedia source
- George Freeman Bragg, W. E. B. Du Bois (Episcopal Church) Wikipedia source
- Lydia of Thyatira Wikipedia source
- Myrrhbearers (Lutheran Church) Wikipedia source
- Nicodemus Wikipedia source
- Olaf II of Norway (Translation of the relic) Wikipedia source
- Stephen (Discovery of the relic) Wikipedia source
- Waltheof of Melrose Wikipedia source
- August 3 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Coast Guard Day (United States) Wikipedia source
- Constitution Day (Cook Islands); first Monday in August Wikipedia source
- Matica slovenská Day (Slovakia) Wikipedia source
- Barack Obama Day in Illinois in the United States Wikipedia source
- 2020 Beirut explosion commemoration day in Lebanon Wikipedia source
Religious feast days
- Aristarchus Wikipedia source
- Blessed Cecilia Cesarini Wikipedia source
- Euphronius Wikipedia source
- Blessed Frédéric Janssoone Wikipedia source
- John Vianney Wikipedia source
- Molua (or Lua) Wikipedia source
- Raynerius of Split Wikipedia source
- Sithney, patron saint of mad dogs Wikipedia source
- August 4 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Independence Day (Burkina Faso) Wikipedia source
- July Mass Uprising Day (Bangladesh) Wikipedia source
- Victory and Homeland Thanksgiving Day and the Day of Croatian defenders (Croatia) Wikipedia source
Religious feast days
- Abel of Reims Wikipedia source
- Addai Wikipedia source
- Afra Wikipedia source
- Cassian of Autun Wikipedia source
- Dedication of the Basilica of St Mary Major (Catholic Church) Wikipedia source
- Emygdius Wikipedia source
- Margaret the Barefooted Wikipedia source
- Memnius Wikipedia source
- Nonna of Nazianzus Wikipedia source
- Oswald of Northumbria Wikipedia source
- August 5 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Christian holidays and observances Transfiguration of Jesus Wikipedia source
- Christian holidays and observances Anna Maria Rubatto Wikipedia source
- Christian holidays and observances Felicissimus and Agapitus Wikipedia source
- Christian holidays and observances Pope Hormisdas Wikipedia source
- Christian holidays and observances Justus and Pastor Wikipedia source
- Christian holidays and observances Pope Sixtus II Wikipedia source
- Sheikh Zayed bin Sultan Al Nahyan's Accession Day. (United Arab Emirates) Wikipedia source
- Independence Day (Bolivia), celebrates the independence of Bolivia from Spain in 1825 Wikipedia source
- Independence Day (Jamaica), celebrates the independence of Jamaica from the United Kingdom in 1962 Wikipedia source
- Hiroshima Peace Memorial Ceremony (Hiroshima, Japan) Wikipedia source
- Russian Railway Troops Day (Russia) Wikipedia source
Religious feast days
- Christian holidays and observances August 6 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Assyrian Martyrs Day (Assyrian community) Wikipedia source
- Battle of Boyacá Day (Colombia) Wikipedia source
- Emancipation Day (Saint Kitts and Nevis) Wikipedia source
- Republic Day (Ivory Coast) Wikipedia source
- Youth Day (Kiribati) Wikipedia source
- National Purple Heart Day (United States) Wikipedia source
Religious feast days
- Afra Wikipedia source
- Albert of Trapani Wikipedia source
- Cajetan of Thienna Wikipedia source
- Carpophorus and companions Wikipedia source
- Dometius of Persia Wikipedia source
- Donatus of Arezzo Wikipedia source
- Donatus of Besançon Wikipedia source
- Donatus of Muenstereifel Wikipedia source
- Blessed Edward Bamber, John Woodcock and Thomas Whittaker Wikipedia source
- Felicissimus and Agapitus Wikipedia source
- John Mason Neale (Episcopal Church (USA)) Wikipedia source
- Nantovinus Wikipedia source
- Pope Sixtus II Wikipedia source
- August 7 (Eastern Orthodox liturgics) Wikipedia source
- Filseta (Ethiopian and Eritrean Orthodox Tewahedo Church) Wikipedia source
International
- International Cat Day Wikipedia source
National and local
- Ceasefire Day (end of Iran–Iraq War) (Iraqi Kurdistan) Wikipedia source
- Father's Day or Bā bā Day (爸爸節), Bā Bā is Mandarin for "father" and "8-8", or August 8. (Mongolia, Taiwan) Wikipedia source
- Happiness Happens Day Wikipedia source
- Namesday of the Queen (Sweden) Wikipedia source
- Nane Nane Day (Tanzania) Wikipedia source
- Signal Troops Day (Ukraine) Wikipedia source
Religious feast days
- Altmann of Passau Wikipedia source
- Bonifacia Rodríguez y Castro Wikipedia source
- Cyriacus and companions Wikipedia source
- Dominic de Guzmán, founder of the Dominican Order Wikipedia source
- Four Crowned Martyrs Wikipedia source
- Blessed Maria Anna Rosa Caiani Wikipedia source
- Mary MacKillop Wikipedia source
- Severus of Vienne Wikipedia source
- August 8 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day of the World's Indigenous Peoples (United Nations) Wikipedia source
National and local
- Battle of Gangut Day (Russia) Wikipedia source
- Meyboom (Brussels and Leuven, Belgium) Wikipedia source
- National Day, celebrates the independence of Singapore from Malaysia in 1965 Wikipedia source
- National Peacekeepers' Day, celebrated on Sunday closest to the day (Canada) Wikipedia source
- National Women's Day (South Africa) Wikipedia source
- Day of the Finnish art, also birthday of Tove Jansson (Finland) Wikipedia source
Religious feast days
- Candida Maria of Jesus Wikipedia source
- Edith Stein (St Teresa Benedicta of the Cross) Wikipedia source
- Firmus and Rusticus Wikipedia source
- Blessed Florentino Asensio Barroso Wikipedia source
- Herman of Alaska (Russian Orthodox Church and related congregations; Episcopal Church (USA)) Wikipedia source
- Mary Sumner (Church of England) Wikipedia source
- Nath Í of Achonry Wikipedia source
- Romanus Ostiarius Wikipedia source
- Secundian, Marcellian and Verian Wikipedia source
- August 9 (Eastern Orthodox liturgics) Wikipedia source
International
- International Biodiesel Day Wikipedia source
- World Lion Day Wikipedia source
National and local
- Argentine Air Force Day (Argentina) Wikipedia source
- Declaration of Independence of Quito, proclaimed independence from Spain on August 10, 1809. Independence was finally attained on May 24, 1822, at the Battle of Pichincha. (Ecuador) Wikipedia source
- National Veterans Day (Indonesia) Wikipedia source
- National Day (Singapore) Wikipedia source
Religious feast days
- Bessus Wikipedia source
- Blane (Roman Catholic Church) Wikipedia source
- Geraint of Dumnonia Wikipedia source
- Lawrence of Rome Wikipedia source
- Nicola Saggio Wikipedia source
- Nuestra Señora del Buen Suceso de Parañaque, Patroness of Parañaque, Philippines Wikipedia source
- August 10 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Flag Day (Pakistan) Wikipedia source
- Independence Day, celebrates the independence of Chad from France in 1960 Wikipedia source
- Mountain Day (Japan) Wikipedia source
Religious feast days
- Athracht Wikipedia source
- Clare of Assisi Wikipedia source
- Gaugericus Wikipedia source
- John Henry Newman (Church of England) Wikipedia source
- Blessed John Sandys and Stephen Rowsham Wikipedia source
- Blessed Maurice Tornay Wikipedia source
- Philomena Wikipedia source
- Susanna Wikipedia source
- Taurinus of Évreux Wikipedia source
- Tiburtius and Chromatius Wikipedia source
- August 11 (Eastern Orthodox liturgics) Wikipedia source
International
- International Youth Day (United Nations) Wikipedia source
- World Elephant Day (International) Wikipedia source
National and local
- Glorious Twelfth (United Kingdom) Wikipedia source
- HM the Queen Mother's Birthday and National Mother's Day (Thailand) Wikipedia source
- Russian Air Force Day (Russia) Wikipedia source
- Sea Org Day (Scientology) Wikipedia source
Religious feast days
- Euplius Wikipedia source
- Eusebius of Milan Wikipedia source
- Herculanus of Brescia Wikipedia source
- Pope Innocent XI Wikipedia source
- Jænberht Wikipedia source
- Jane Frances de Chantal Wikipedia source
- Blessed Karl Leisner Wikipedia source
- Muiredach (or Murtagh) Wikipedia source
- Porcarius II Wikipedia source
- Blessed Victoria Díez Bustos de Molina Wikipedia source
- August 12 (Eastern Orthodox liturgics) Wikipedia source
International
- International Lefthanders Day (International) Wikipedia source
- World Organ Donation Day Wikipedia source
National and local
- Independence Day, celebrates the independence of Central African Republic from France in 1960 Wikipedia source
- Women's Day, commemorates the enaction of Tunisian Code of Personal Status in 1956. (Tunisia) Wikipedia source
Religious feast days
- Benedetto Sinigardi Wikipedia source
- Benildus Romançon Wikipedia source
- Cassian of Imola Wikipedia source
- Clara Maass (Lutheran Church) Wikipedia source
- Florence Nightingale, Octavia Hill (Lutheran Church) Wikipedia source
- Blessed Gertrude of Aldenberg Wikipedia source
- Hippolytus of Rome Wikipedia source
- Blessed Jakob Gapp Wikipedia source
- Jeremy Taylor (Anglican Communion) Wikipedia source
- John Berchmans Wikipedia source
- Junian of Mairé Wikipedia source
- Blessed Marco d'Aviano Wikipedia source
- Maximus the Confessor Wikipedia source
- Nerses Glaietsi (Catholic Church) Wikipedia source
- Pope Pontian Wikipedia source
- Radegunde Wikipedia source
- Wigbert Wikipedia source
- August 13 (Eastern Orthodox liturgics) Wikipedia source
National and local
- National Navajo Code Talkers Day is a holiday in the United States honoring Navajo code talkers in the military Wikipedia source
- Falklands Day is the celebration of the first sighting of the Falkland Islands by John Davis in 1592 Wikipedia source
- Independence Day celebrates the independence of Pakistan from the United Kingdom in 1947 Wikipedia source
- Partition Horrors Remembrance Day commemorates the victims and sufferings of people during the Partition of India in 1947 Wikipedia source
Religious feast days
- Arnold of Soissons Wikipedia source
- Domingo Ibáñez de Erquicia Wikipedia source
- Eusebius of Rome Wikipedia source
- Fachtna of Rosscarbery Wikipedia source
- Jonathan Myrick Daniels (Episcopal Church) Wikipedia source
- Maria Elisabetta Renzi Wikipedia source
- Martyrs of Otranto Wikipedia source
- Maximilian Kolbe Wikipedia source
International
- International Apostrophe Day Wikipedia source
National and local
- Armed Forces Day (Poland) Wikipedia source
- Constitution Day (Equatorial Guinea) Wikipedia source
- Founding of Asunción (Paraguay) Wikipedia source
- Independence Day, celebrates the independence of Korea from Japan in 1945: Gwangbokjeol, "Independence Day" (South Korea) Wikipedia source
- Independence Day, celebrates the independence of Korea from Japan in 1945: Jogukhaebangui nal, "Fatherland Liberation Day" (North Korea) Wikipedia source
- Independence Day, celebrates the independence of India from the United Kingdom in 1947 Wikipedia source
- Independence Day, celebrates the independence of the Republic of the Congo from France in 1960 Wikipedia source
- National Day (Liechtenstein) Wikipedia source
- National Day of Mourning (Bangladesh) Wikipedia source
- The first day of Flooding of the Nile, or Wafaa El-Nil (Egypt and Coptic Church) Wikipedia source
- The main day of Bon Festival (Japan), and its related observances: Awa Dance Festival (Tokushima Prefecture) Wikipedia source
- Victory Day (Afghanistan), celebrating the 2021 Fall of Kabul Wikipedia source
- Victory over Japan Day (United Kingdom), and its related observances: End-of-war Memorial Day, when the National Memorial Service for War Dead is held (Japan) Wikipedia source
Religious feast days
- Altfrid Wikipedia source
- Alypius of Thagaste Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: Feast of the Dormition of the Theotokos (Eastern Orthodox, Oriental Orthodox and Eastern Catholic Churches) Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: Ferragosto (Italy) Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: Māras (Latvia) Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: Mother's Day (Antwerp and Costa Rica) Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: National Acadian Day (Acadians) Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: Navy Day (Romania) Wikipedia source
- Feast day of the Assumption of Mary, one of the Catholic holy days of obligation (a public holiday in Austria, Belgium, Benin, Bosnia, Burundi, Cameroon, Chile, Colombia, Croatia, Cyprus, France, some states in Germany, Greece, Guatemala, Italy, Ivory Coast, Lebanon, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malta, Mauritius, Paraguay, Poland, Portugal, Romania, Senegal, Seychelles, Slovenia, Spain, Switzerland, Togo, and Vanuatu); and its related observances: Virgin of Candelaria, patron of the Canary Islands. (Tenerife, Spain) Wikipedia source
- Blessed Elvira Moragas Cantarero Wikipedia source
- Blessed Giuliana Puricelli Wikipedia source
- Blessed Isidore Bakanja Wikipedia source
- San La Muerte (Paraguayan Folk Catholicism) Wikipedia source
- Santa Muerte (Mexican Folk Catholicism) Wikipedia source
- Stanislaus Kostka Wikipedia source
- Tarcisius Wikipedia source
- August 15 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Bennington Battle Day (Vermont, United States) Wikipedia source
- Children's Day (Paraguay) Wikipedia source
- Gozan no Okuribi (Kyoto, Japan) Wikipedia source
- National Airborne Day (United States) Wikipedia source
- Restoration Day (Dominican Republic) Wikipedia source
- The first day of the Independence Days, celebrates the independence of Gabon from France in 1960 Wikipedia source
- Xicolatada (Palau-de-Cerdagne, France) Wikipedia source
Religious feast days
- Ana Petra Pérez Florido Wikipedia source
- Armel (Armagillus) Wikipedia source
- Diomedes of Tarsus Wikipedia source
- Roch Wikipedia source
- Stephen I of Hungary Wikipedia source
- Translation of the Acheiropoietos icon from Edessa to Constantinople. (Eastern Orthodox Church) Wikipedia source
- August 16 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Engineer's Day (Colombia) Wikipedia source
- Independence Day, celebrates the independence proclamation of Indonesia from Japan in 1945 Wikipedia source
Religious feast days
- Saint Beatrice of Silva Wikipedia source
- Saint Clare of Montefalco Wikipedia source
- Elias of Enna Wikipedia source
- Saint Hyacinth of Poland Wikipedia source
- Jacobo Kyushei Tomonaga Wikipedia source
- Saint Jeanne Delanoue Wikipedia source
- Saint Mammes of Caesarea Wikipedia source
- Samuel Johnson, Timothy Cutler, and Thomas Bradbury Chandler (Episcopal Church) Wikipedia source
- August 17 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Arbor Day (Pakistan) Wikipedia source
- Armed Forces Day (North Macedonia) Wikipedia source
- Birthday of Virginia Dare (Roanoke Island) Wikipedia source
- Constitution Day (Indonesia) Wikipedia source
- Long Tan Day, also called Vietnam Veterans' Day (Australia) Wikipedia source
- National Science Day (Thailand) Wikipedia source
Religious feast days
- Agapitus of Palestrina Wikipedia source
- Alberto Hurtado Wikipedia source
- Daig of Inniskeen Wikipedia source
- Evan (or Inan) Wikipedia source
- Fiacre Wikipedia source
- Florus and Laurus Wikipedia source
- Helena of Constantinople (Roman Catholic Church) Wikipedia source
- August 18 (Eastern Orthodox liturgics) Wikipedia source
International
- World Humanitarian Day Wikipedia source
National and local
- Afghan Independence Day, commemorates the Treaty of Rawalpindi in 1919, granting independence from Britain (Afghanistan) Wikipedia source
- August Revolution Commemoration Day (Vietnam) Wikipedia source
- Birthday of Crown Princess Mette-Marit (Norway) Wikipedia source
- Manuel Luis Quezón Day (Quezon City and other places in the Philippines named after Manuel L. Quezon) Wikipedia source
- National Aviation Day (United States) Wikipedia source
Religious feast days
- Bertulf of Bobbio Wikipedia source
- Saint Calminius Wikipedia source
- Ezequiél Moreno y Díaz Wikipedia source
- Feast of the Transfiguration (Julian calendar), and its related observances: Buhe (Ethiopian Orthodox Tewahedo Church and Eritrean Orthodox Tewahedo Church) Wikipedia source
- Feast of the Transfiguration (Julian calendar), and its related observances: Saviour's Transfiguration, popularly known as the "Apples Feast" (Russian Orthodox Church and Georgian Orthodox Church) Wikipedia source
- Jean-Eudes de Mézeray Wikipedia source
- Louis of Toulouse Wikipedia source
- Maginus Wikipedia source
- Magnus of Anagni Wikipedia source
- Magnus of Avignon Wikipedia source
- Sebaldus Wikipedia source
- August 19 (Eastern Orthodox liturgics) Wikipedia source
International
- World Mosquito Day Wikipedia source
National and local
- Indian Akshay Urja Day (India) Wikipedia source
- Independence Restoration Day (Estonia), re-declaration of the independence of Estonia from the Soviet Union in 1991 Wikipedia source
- Meitei Language Day, also known as Manipuri Language Day, the day on which Meitei (Manipuri) was included in the scheduled languages' list and made one of the official languages of India Wikipedia source
- Revolution of the King and the People (Morocco) Wikipedia source
- Saint Stephen's Day (Hungary) Wikipedia source
Religious feast days
- Amadour Wikipedia source
- Bernard of Clairvaux Wikipedia source
- Blessed Georg Häfner Wikipedia source
- Heliodorus of Bet Zabdai Wikipedia source
- Maria De Mattias Wikipedia source
- Oswine of Deira Wikipedia source
- Philibert of Jumièges Wikipedia source
- Samuel (prophet) Wikipedia source
- William and Catherine Booth (Church of England) Wikipedia source
- August 20 (Eastern Orthodox liturgics) Wikipedia source
- Feast of Asmá’ (Baháʼí Faith, only if Baháʼí Naw-Rúz falls on March 21) Wikipedia source
International
- World Senior Citizen's Day Wikipedia source
National and local
- Ninoy Aquino Day (Philippines) Wikipedia source
- Youth Day (Morocco) Wikipedia source
Religious feast days
- Abraham of Smolensk (Eastern Orthodox Church) Wikipedia source
- Bernard of Alzira Wikipedia source
- Cyriaca Wikipedia source
- Euprepius of Verona Wikipedia source
- Maximilian of Antioch Wikipedia source
- Our Lady of Knock Wikipedia source
- Pope Pius X Wikipedia source
- Sidonius Apollinaris Wikipedia source
- Blessed Victoire Rasoamanarivo Wikipedia source
- August 21 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief Wikipedia source
National and local
- Earliest day on which National Heroes' Day (Philippines) can fall, while August 28 is the latest; celebrated on the fourth Monday in August Wikipedia source
- Flag Day (Russia) Wikipedia source
- Madras Day (Chennai and Tamil Nadu, India) Wikipedia source
Religious feast days
- Immaculate Heart of Mary (Roman Catholic calendar of 1960) Wikipedia source
- John Kemble Wikipedia source
- Queenship of Mary Wikipedia source
- Blessed Symeon Lukach Wikipedia source
- August 22 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day for the Remembrance of the Slave Trade and its Abolition Wikipedia source
National and local
- Battle of Kursk Day (Russia) Wikipedia source
- Day of the National Flag (Ukraine) Wikipedia source
- European Day of Remembrance for Victims of Stalinism and Nazism or Black Ribbon Day (European Union and other countries), and related observances: Liberation from Fascist Occupation Day (Romania) Wikipedia source
- National Day for Physicians (Iran) Wikipedia source
- The memorial day for the Second Taiwan Strait Crisis(the August 23 shelling war) (Taiwan) Wikipedia source
Religious feast days
- Ascelina Wikipedia source
- Asterius, Claudius, and Neon Wikipedia source
- Éogan of Ardstraw Wikipedia source
- Blessed Franciszek Dachtera Wikipedia source
- Blessed Juan María de la Cruz Wikipedia source
- Lupus (Luppus) of Novae Wikipedia source
- Philip Benitius Wikipedia source
- Quiriacus and companions, of Ostia Wikipedia source
- Rose of Lima Wikipedia source
- Tydfil Wikipedia source
- Zacchaeus of Jerusalem Wikipedia source
- August 23 (Eastern Orthodox liturgics) Wikipedia source
International
- International Strange Music Day Wikipedia source
National and local
- Flag Day (Liberia) Wikipedia source
- Independence Day or Den' Nezalezhnosti, celebrates the independence of Ukraine from the Soviet Union in 1991 Wikipedia source
- National Waffle Day (United States) Wikipedia source
- Nostalgia Night (Uruguay) Wikipedia source
- Willka Raymi (Cusco, Peru) Wikipedia source
Religious feast days
- Aurea of Ostia Wikipedia source
- Bartholomew the Apostle (Roman Catholic, Anglican) Wikipedia source
- Edward Klinik Wikipedia source
- Emily de Vialar Wikipedia source
- Jeanne-Antide Thouret Wikipedia source
- Maria Micaela Desmaisieres Wikipedia source
- Massa Candida (Martyrs of Utica) Wikipedia source
- Owen (Audoin) Wikipedia source
- August 24 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Day of Songun (North Korea) Wikipedia source
- Independence Day, celebrates the independence of Uruguay from Brazil in 1825 Wikipedia source
- Soldier's Day (Brazil) Wikipedia source
Religious feast days
- Æbbe of Coldingham Wikipedia source
- Aredius Wikipedia source
- Genesius of Arles Wikipedia source
- Genesius of Rome Wikipedia source
- Ginés de la Jara (or Genesius of Cartagena) Wikipedia source
- Gregory of Utrecht Wikipedia source
- Joseph Calasanz Wikipedia source
- Louis IX of France Wikipedia source
- Blessed Ludovicus Baba Wikipedia source
- Blessed Ludovicus Sasada Wikipedia source
- Blessed Luis Sotelo Wikipedia source
- Blessed María del Tránsito Cabanillas Wikipedia source
- Emily de Vialar Wikipedia source
- Menas of Constantinople Wikipedia source
- Blessed Miguel de Carvalho Wikipedia source
- Patricia of Naples Wikipedia source
- Blessed Pedro Vásquez Wikipedia source
- Thomas de Cantilupe (or of Hereford) Wikipedia source
- August 25 (Eastern Orthodox liturgics) Wikipedia source
International
- International Dog Day, an observance promoting dog adoption and animal welfare (2004) Wikipedia source
National and local
- Heroes' Day (Namibia) Wikipedia source
- Repentance Day (Papua New Guinea) Wikipedia source
- Women's Equality Day (United States) Wikipedia source
Religious feast days
- Alexander of Bergamo (Roman Catholic Church) Wikipedia source
- Blessed Ceferino Namuncurá Wikipedia source
- Jeanne-Elisabeth Bichier des Ages Wikipedia source
- Blessed John Paul I Wikipedia source
- Blessed Lavrentia Herasymiv Wikipedia source
- Mariam Baouardy (Melkite Greek Catholic Church) Wikipedia source
- Melchizedek Wikipedia source
- Our Lady of Częstochowa Wikipedia source
- Simplicius, Constantius and Victorinus Wikipedia source
- Teresa Jornet Ibars Wikipedia source
- August 26 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Independence Day (Republic of Moldova), celebrates the independence of Moldova from the USSR in 1991 Wikipedia source
- Lyndon Baines Johnson Day (Texas, United States) Wikipedia source
Religious feast days
- Baculus of Sorrento Wikipedia source
- Caesarius of Arles Wikipedia source
- David Lewis Wikipedia source
- Decuman Wikipedia source
- Gebhard of Constance Wikipedia source
- Euthalia Wikipedia source
- John of Pavia Wikipedia source
- Lycerius (or: Glycerius, Lizier) Wikipedia source
- Máel Ruba (or Rufus) (Scotland) Wikipedia source
- Margaret the Barefooted Wikipedia source
- Monica of Hippo, mother of Augustine of Hippo Wikipedia source
- Narnus Wikipedia source
- Our Lady of La Vang Wikipedia source
- Phanourios of Rhodes Wikipedia source
- Rufus and Carpophorus Wikipedia source
- Syagrius of Autun Wikipedia source
- Thomas Gallaudet and Henry Winter Syle (Episcopal Church) Wikipedia source
- August 27 (Eastern Orthodox liturgics) Wikipedia source
National and local
- National Grandparents Day (Mexico) Wikipedia source
Religious feast days
- Alexander of Constantinople Wikipedia source
- Augustine of Hippo Wikipedia source
- Edmund Arrowsmith Wikipedia source
- Florentina Wikipedia source
- Hermes Wikipedia source
- Joaquina Vedruna de Mas Wikipedia source
- Moses the Black Wikipedia source
- August 28 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day of the Disappeared Wikipedia source
- International Whale Shark Day
National and local
- Constitution Day (Kazakhstan) Wikipedia source
- Constitution Day (Turks and Caicos Islands) Wikipedia source
- Independence Day (Tatarstan, Russia not formally recognized) Wikipedia source
- Popular Consultation Day (East Timor) Wikipedia source
- Saint Rose of Lima's Day (Peru) Wikipedia source
- Victory Day (Turkey) Wikipedia source
Religious feast days
- Alexander of Constantinople (Eastern Orthodoxy) Wikipedia source
- Blessed Alfredo Ildefonso Schuster Wikipedia source
- Blessed Eustáquio van Lieshout Wikipedia source
- Blessed Stephen Nehmé (Maronite Church / Catholic Church) Wikipedia source
- Charles Chapman Grafton (Episcopal Church) Wikipedia source
- Fantinus Wikipedia source
- Felix and Adauctus Wikipedia source
- Fiacre Wikipedia source
- Blessed María Rafols Bruna Wikipedia source
- Mary Ward Wikipedia source
- Narcisa de Jesús Wikipedia source
- Pammachius Wikipedia source
- Theodosius of Oria Wikipedia source
- August 30 (Eastern Orthodox liturgics) Wikipedia source
International
- Baloch-Pakhtun Unity Day (Balochs and Pashtuns, International observance) Wikipedia source
National and local
- Day of Solidarity and Freedom (Poland) Wikipedia source
- Departure Day, celebrates the withdrawal of American troops from Afghanistan Wikipedia source
- Independence Day, celebrates the independence of Kyrgyzstan from the Soviet Union in 1991 Wikipedia source
- Independence Day, celebrates the independence of Malaya from the United Kingdom in 1957 Wikipedia source
- Independence Day, celebrates the independence of Trinidad and Tobago from the United Kingdom in 1962 Wikipedia source
- Romanian Language Day (Romania, Moldova, Ukraine) Wikipedia source
- Sabah Day (Sabah, Borneo) Wikipedia source
Religious feast days
- Aidan of Lindisfarne Wikipedia source
- Aristides of Athens Wikipedia source
- Cuthburh Wikipedia source
- Joseph of Arimathea Wikipedia source
- Nicodemus Wikipedia source
- Paulinus of Trier Wikipedia source
- Raymond Nonnatus Wikipedia source
- Wala of Corbie Wikipedia source
- August 31 (Eastern Orthodox liturgics) Wikipedia source