- International
- National and local
- Religious feast days
October Holidays and Observances
Every fixed-date holiday and observance in October, 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 October in history.
Today's holidays
All October holidays by day
October has 488 fixed-date holidays and observances, including 30 international days, 147 national and local holidays, and 311 religious feast days. Highlights include International Coffee Day on October 1 and International Day of Non-Violence on October 2.
International
- International Coffee Day Wikipedia source
- International Day of Older Persons Wikipedia source
National and local
- Armed Forces Day (South Korea) Wikipedia source
- Beginning of the United States' Fiscal Year Wikipedia source
- Children's Day (El Salvador, Guatemala, Sri Lanka) Wikipedia source
- Day of Prosecutors (Azerbaijan) Wikipedia source
- Ground Forces Day (Russia) Wikipedia source
- Independence Day, celebrates the independence of Cyprus from United Kingdom in 1960 Wikipedia source
- Independence Day, celebrates the independence of Nigeria from United Kingdom in 1960 Wikipedia source
- Independence Day, celebrates the independence of Palau from UN trust territory status in 1994 Wikipedia source
- Independence Day, celebrates the independence of Tuvalu from United Kingdom in 1978 Wikipedia source
- Lincolnshire Day (United Kingdom) Wikipedia source
- National Day of the People's Republic of China (People's Republic of China) Wikipedia source
- Pancasila Sanctity Day (Indonesia) Wikipedia source
- Tampere Day (Finland) Wikipedia source
- Teacher's Day (Uzbekistan) Wikipedia source
- Unification Day (Cameroon) Wikipedia source
- Defender of Ukraine Day (Ukraine) Wikipedia source
Religious feast days
- Abai (Syriac Orthodox Church) Wikipedia source
- Bavo of Ghent Wikipedia source
- Blessed Edward James Wikipedia source
- Nicetius (Roman Catholic Church) Wikipedia source
- Remigius Wikipedia source
- Thérèse of Lisieux Wikipedia source
- Protection/Patronage of the Theotokos (Eastern Catholic Churches) Wikipedia source
- October 1 (Eastern Orthodox liturgics) Wikipedia source
International
- Gandhi's birthday-related observances: International Day of Non-Violence Wikipedia source
- International Day of Non-Violence Wikipedia source
National and local
- Batik Day (Indonesia) Wikipedia source
- Gandhi's birthday-related observances: Gandhi Jayanti (India) Wikipedia source
- Independence Day, celebrates the independence of Guinea from France in 1958 Wikipedia source
- National Grandparents Day (Italy) Wikipedia source
Religious feast days
- Blessed Antoine Chevrier Wikipedia source
- Denha I of Tikrit (Syriac Orthodox Church) Wikipedia source
- Blessed Jan Beyzym Wikipedia source
- Blessed Maria Antonina Kratochwil Wikipedia source
- Blessed María Francisca Ricart Olmos Wikipedia source
- Memorial of the Holy Guardian Angels Wikipedia source
- Leodegar Wikipedia source
- October 2 (Eastern Orthodox liturgics) Wikipedia source
National and local
- 3 October Festival (Leiden, Netherlands) Wikipedia source
- German Unity Day (Germany) Wikipedia source
- Mean Girls Day Wikipedia source
- Morazán Day (Honduras) Wikipedia source
- National Day, celebrates the independence of Iraq from the United Kingdom in 1932 Wikipedia source
- National Foundation Day or Gaecheonjeol (South Korea) Wikipedia source
Religious feast days
- Abd-al-Masih Wikipedia source
- Adalgott Wikipedia source
- Ambrósio Francisco Ferro Wikipedia source
- Blessed Szilárd Bogdánffy Wikipedia source
- Dionysius the Areopagite Wikipedia source
- Ewald the Black and Ewald the Fair Wikipedia source
- John Raleigh Mott (Episcopal Church) Wikipedia source
- Gerard of Brogne Wikipedia source
- Hesychius of Sinai Wikipedia source
- Théodore Guérin Wikipedia source
- Maximian of Bagai Wikipedia source
- October 3 (Eastern Orthodox liturgics) Wikipedia source
International
- The beginning of World Space Week (International) Wikipedia source
- World Animal Day Wikipedia source
National and local
- Cinnamon Roll Day (Sweden and Finland) Wikipedia source
- Day of Peace and Reconciliation (Mozambique) Wikipedia source
- Independence Day, celebrates the independence of Lesotho from the United Kingdom in 1966 Wikipedia source
Religious feast days
- Amun Wikipedia source
- Aurea of Paris Wikipedia source
- Francis of Assisi Conclusion of Creationtide Wikipedia source
- Blessed Francis Xavier Seelos Wikipedia source
- Petronius of Bologna Wikipedia source
- October 4 (Eastern Orthodox liturgics) Wikipedia source
- Feast of St Francis of Assisi patron saints of Italy Wikipedia source
International
- World Space Week (October 4–10) Wikipedia source
- International Day of No Prostitution Wikipedia source
- World Teachers' Day Wikipedia source
National and local
- Armed Forces Day (Indonesia) Wikipedia source
- Constitution Day (Vanuatu) Wikipedia source
- Engineer's Day (Bolivia) Wikipedia source
- Republic Day (Portugal) Wikipedia source
- Teachers' Day (Pakistan) Wikipedia source
- Teachers' Day (Russia) Wikipedia source
Religious feast days
- Anna Schäffer Wikipedia source
- Charitina of Amisus Wikipedia source
- Faustina Kowalska Wikipedia source
- Flora of Beaulieu Wikipedia source
- Bartolo Longo Wikipedia source
- Hor and Susia (Coptic Orthodox Church of Alexandria) Wikipedia source
- Placid and Maurus Wikipedia source
- Placidus (martyr) Wikipedia source
- Blessed William Hartley Wikipedia source
- October 5 (Eastern Orthodox liturgics) Wikipedia source
International
- World Space Week (October 4–10) Wikipedia source
National and local
- Day of Commemoration and National Mourning (Turkmenistan) Wikipedia source
- Dukla Pass Victims Day (Slovakia) Wikipedia source
- German-American Day (United States) Wikipedia source
- Memorial Day for the Martyrs of Arad (Hungary) Wikipedia source
- Teachers' Day (Sri Lanka) Wikipedia source
- Yom Kippur War commemorations: Armed Forces Day (Egypt) Wikipedia source
- Yom Kippur War commemorations: Tishreen Liberation Day (Syria) Wikipedia source
Religious feast days
- Bruno of Cologne Wikipedia source
- Faith Wikipedia source
- Blessed Isidore De Loor Wikipedia source
- Blessed Juan de Palafox y Mendoza Wikipedia source
- Blessed Marie Rose Durocher Wikipedia source
- Mary Frances of the Five Wounds Wikipedia source
- Pardulphus Wikipedia source
- Sagar of Laodicea Wikipedia source
- October 6 (Eastern Orthodox liturgics) Wikipedia source
- William Tyndale (commemoration, Anglicanism), with Myles Coverdale (Episcopal Church (USA)) Wikipedia source
National and local
- Teachers' Day (Laos) Wikipedia source
Religious feast days
- Justina of Padua Wikipedia source
- Henry Muhlenberg (some Lutheran Churches, Episcopal Church of the USA) Wikipedia source
- Osgyth Wikipedia source
- Our Lady of the Rosary Wikipedia source
- Pope Mark Wikipedia source
- Sergius and Bacchus Wikipedia source
- October 7 (Eastern Orthodox liturgics) Wikipedia source
International
- World Space Week (October 4–10) Wikipedia source
- International Lesbian Day Wikipedia source
- World Octopus Day Wikipedia source
National and local
- Air Force Day (India) Wikipedia source
- Children's Day (Iran) Wikipedia source
- Navy Day (Peru) Wikipedia source
- National Fluffernutter Day Wikipedia source
Religious feast days
- Evodus (or Yves) Wikipedia source
- Blessed John Adams, John Lowe, and Robert Dibdale Wikipedia source
- Palatias and Laurentia Wikipedia source
- Pelagia (Eastern Orthodox and Roman Catholic Churches) Wikipedia source
- Reparata Wikipedia source
- San Ernesto, Che Guevara as a folk saint. (Bolivian campesinos) Wikipedia source
- Simeon (Gospel of Luke) Wikipedia source
- Thaïs Wikipedia source
- Ugo Canefri Wikipedia source
- William Dwight Porter Bliss and Richard T. Ely (Episcopal Church) Wikipedia source
- October 8 (Eastern Orthodox liturgics) Wikipedia source
International
- World Post Day Wikipedia source
National and local
- Fire Prevention Day (Canada, United States) Wikipedia source
- Hangul Day (South Korea) Wikipedia source
- Independence Day, celebrates the independence of Uganda from United Kingdom in 1962. (Uganda) Wikipedia source
- Independence of Guayaquil from Spain in 1820 (Ecuador) Wikipedia source
- Leif Erikson Day (United States, Iceland and Norway) Wikipedia source
- National Day of Commemorating the Holocaust (Romania) Wikipedia source
- National Nanotechnology Day (United States) Wikipedia source
- Takayama Autumn Festival (Takayama, Japan) Wikipedia source
- Indian Foreign Service Day Wikipedia source
Religious feast days
- Abraham Wikipedia source
- Denis of Paris Wikipedia source
- Dionysius the Areopagite Wikipedia source
- Ghislain Wikipedia source
- Gunther of Bohemia Wikipedia source
- Innocencio of Mary Immaculate and Martyrs of Turon Wikipedia source
- John Henry Newman Wikipedia source
- John Leonardi Wikipedia source
- Luis Beltran Wikipedia source
- Robert Grosseteste (Church of England) Wikipedia source
- Wilfred Grenfell (Episcopal Church in the United States) Wikipedia source
- October 9 (Eastern Orthodox liturgics) Wikipedia source
International
- World Day Against the Death Penalty Wikipedia source
- World Mental Health Day Wikipedia source
- World Porridge Day Wikipedia source
National and local
- Aleksis Kivi Day, also known as the Finnish Literature Day (Finland) Wikipedia source
- Arbor Day (Poland) Wikipedia source
- Army Day (Sri Lanka) Wikipedia source
- Capital Liberation Day (Vietnam) Wikipedia source
- Constitution Day (Sint Maarten) Wikipedia source
- Curaçao Day, anniversary of autonomy Wikipedia source
- Double Ten Day (The National Day of Republic of China), celebrates outbreak of the Wuchang Uprising in 1911 that led to founding of the Republic of China in 1912 Wikipedia source
- Fiji Day (Fiji) Wikipedia source
- Independence Day (Cuba) Wikipedia source
- Party Foundation Day (North Korea) Wikipedia source
Religious feast days
- Blessed Mary Angela Truszkowska Wikipedia source
- Cerbonius Wikipedia source
- Daniele Comboni Wikipedia source
- Blessed Edward Detkens Wikipedia source
- Eulampius and Eulampia Wikipedia source
- Gereon and companions Wikipedia source
- Blessed María Catalina Irigoyen Echegaray (Maria Desposorios) Wikipedia source
- Paulinus of York Wikipedia source
- Pinytus Wikipedia source
- Tanca Wikipedia source
- Vida Dutton Scudder (Episcopal Church) Wikipedia source
- Viktor of Xanten Wikipedia source
- October 10 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day of the Girl Child Wikipedia source
- International Newspaper Carrier Day Wikipedia source
National and local
- General Pulaski Memorial Day (United States) Wikipedia source
- National Coming Out Day Wikipedia source
- Revolution Day (North Macedonia) Wikipedia source
Religious feast days
- Christian feast days: Agilbert Wikipedia source
- Christian feast days: Alexander Sauli Wikipedia source
- Christian feast days: Andronicus, Probus, and Tarachus (Roman Catholic Church) Wikipedia source
- Christian feast days: Æthelburh of Barking Wikipedia source
- Christian feast days: Bruno the Great Wikipedia source
- Christian feast days: Cainnech of Aghaboe Wikipedia source
- Christian feast days: Gratus of Oloron Wikipedia source
- Christian feast days: Gummarus Wikipedia source
- Christian feast days: James the Deacon (Church of England, Roman Catholic Church, Eastern Orthodox Church) Wikipedia source
- Christian feast days: Lommán of Trim Wikipedia source
- Christian feast days: Maria Soledad Torres y Acosta Wikipedia source
- Christian feast days: Nicasius, Quirinus, Scubiculus, and Pientia Wikipedia source
- Christian feast days: Philip the Evangelist Wikipedia source
- Christian feast days: Pope John XXIII (Roman Catholic Church) Wikipedia source
- Christian feast days: Radim Gaudentius Wikipedia source
- Christian feast days: Zenaida and Philonella Wikipedia source
- Christian feast days: October 11 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day Against DRM Wikipedia source
National and local
- Children's Day (Brazil) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Columbus Day (Honduras) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Día de la Hispanidad or Fiesta Nacional de España, also Armed Forces Day (Spain) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Día de la Raza (El Salvador, Uruguay) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Día de la Resistencia Indígena, "Day of Indigenous Resistance" (Venezuela) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Día de las Américas (Belize) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Día de las Culturas, "Day of the Cultures" (Costa Rica) Wikipedia source
- Discovery of America by Columbus-related observances (see also October 8): Día del Respeto a la Diversidad Cultural, "Day of respect for cultural diversity" (Argentina) Wikipedia source
- Discovery Day (The Bahamas) Wikipedia source
- Fiesta Nacional de España (Spain) Wikipedia source
- Hafez Day (Iran) 1 Wikipedia source
- Independence Day (Equatorial Guinea), celebrates the independence of Equatorial Guinea from Spain in 1968 Wikipedia source
Religious feast days
- Domnina of Anazarbus Wikipedia source
- Edith Cavell and Elizabeth Fry (Church of England) Wikipedia source
- Fiacc Wikipedia source
- Our Lady of the Pillar (Fiestas del Pilar) Wikipedia source
- Our Lady of Aparecida Wikipedia source
- Blessed Louis Brisson Wikipedia source
- Radim Gaudentius (Czech Republic) Wikipedia source
- Blessed Roman Sitko Wikipedia source
- Seraphin of Montegranaro Wikipedia source
- Thomas Bullaker Wikipedia source
- Wilfrid of Ripon Wikipedia source
- Carlo Acutis Wikipedia source
- October 12 (Eastern Orthodox liturgics) Wikipedia source
- Feast for Life of Aleister Crowley, celebrated as "Crowleymas" (Thelema) Wikipedia source
International
- International Day for Disaster Risk Reduction (international) Wikipedia source
National and local
- Azerbaijani Railway Day (Azerbaijan) Wikipedia source
- Doi taikomatsuri October 13–15 (Shikokuchūō, Ehime, Japan) Wikipedia source
- Paramedics' Day (Poland) Wikipedia source
- Rwagasore Day (Burundi) Wikipedia source
Religious feast days
- Blessed Alexandrina of Balasar Wikipedia source
- Chelidonia Wikipedia source
- Edward the Confessor (translation) Wikipedia source
- Gerald of Aurillac Wikipedia source
- Lubentius Wikipedia source
- Blessed Maddalena Panattieri, (OP) Wikipedia source
- Romulus of Genoa Wikipedia source
- Theophilus of Antioch Wikipedia source
- Venantius of Berri Wikipedia source
- October 13 (Eastern Orthodox liturgics) Wikipedia source
International
- World Standards Day (International) Wikipedia source
National and local
- Day of the Cathedral of the Living Pillar (Georgian Orthodox Church) Wikipedia source
- Mother's Day (Belarus) Wikipedia source
- National Education Day (Poland), formerly Teachers' Day Wikipedia source
- Nyerere Day (Tanzania) Wikipedia source
- Second Revolution Day (Yemen) Wikipedia source
Religious feast days
- Angadrisma Wikipedia source
- Fortunatus of Todi Wikipedia source
- Joseph Schereschewsky (Episcopal Church (USA)) Wikipedia source
- Pope Callixtus I Wikipedia source
- Blessed Roman Lysko Wikipedia source
- October 14 (Eastern Orthodox liturgics) Wikipedia source
- Intercession of the Theotokos Wikipedia source
International
- World Students' Day Wikipedia source
National and local
- Breast Health Day (Europe) Wikipedia source
- National Latino AIDS Awareness Day (United States) Wikipedia source
- Shwmae Su'mae Day (Wales) Wikipedia source
- White Cane Safety Day Wikipedia source
Religious feast days
- Gundisalvus of Lagos Wikipedia source
- Magdalene of Nagasaki Wikipedia source
- Teresa of Ávila Wikipedia source
- Thecla of Kitzingen Wikipedia source
- October 15 (Eastern Orthodox liturgics) Wikipedia source
International
- World Food Day (International) Wikipedia source
National and local
- Air Force Day (Bulgaria) Wikipedia source
- Boss's Day (United States) Wikipedia source
- Pope John Paul II Day (Poland) Wikipedia source
- Death anniversary of Liaquat Ali Khan (Pakistan) Wikipedia source
- Teachers' Day (Chile) Wikipedia source
- Bu-Ma Democratic Protests Commemoration Day (South Korea) Wikipedia source
Religious feast days
- Balderic (Baudry) of Monfaucon Wikipedia source
- Bertrand of Comminges Wikipedia source
- Colmán of Kilroot (Colman mac Cathbaid) Wikipedia source
- Eliphius Wikipedia source
- Fortunatus of Casei Wikipedia source
- Gall Wikipedia source
- Gerard Majella Wikipedia source
- Hedwig of Silesia Wikipedia source
- Hugh Latimer (Anglicanism) Wikipedia source
- Junian (of Saint-Junien) Wikipedia source
- Lullus Wikipedia source
- Marguerite Marie Alacoque Wikipedia source
- Marie-Marguerite d'Youville Wikipedia source
- Nicholas Ridley (Anglicanism) Wikipedia source
- Silvanus of Ahun Wikipedia source
- Blessed Thevarparampil Kunjachan (Syro-Malabar Catholic Church / Catholic Church) Wikipedia source
- October 16 (Eastern Orthodox liturgics) Wikipedia source
International
- International Day for the Eradication of Poverty Wikipedia source
National and local
- Loyalty Day (Argentina) Wikipedia source
- National Police Day (Thailand) Wikipedia source
- National Heroes Day (Somaliland) Wikipedia source
Religious feast days
- Anstrudis Wikipedia source
- Catervus Wikipedia source
- Blessed Contardo Ferrini Wikipedia source
- Ethelred and Ethelberht Wikipedia source
- Florentius of Orange Wikipedia source
- François-Isidore Gagelin (one of Vietnamese Martyrs) Wikipedia source
- Gilbert the Great Wikipedia source
- Hosea Wikipedia source
- Ignatius of Antioch Wikipedia source
- John the Short (John Colobus) Wikipedia source
- John of Egypt Wikipedia source
- Marguerite Marie Alacoque (pre-1969 calendar, Visitadines) Wikipedia source
- Nothhelm Wikipedia source
- Blessed Pietro Casani Wikipedia source
- Rufus and Zosimus Wikipedia source
- Rule of Andrew Wikipedia source
- Richard Gwyn Wikipedia source
- October 17 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Alaska Day (Alaska, United States) Wikipedia source
- Day of Restoration of Independence (Azerbaijan), celebrates the independence of Azerbaijan from the Soviet Union in 1991 Wikipedia source
- Necktie Day (Croatia) Wikipedia source
- Persons Day (Canada) Wikipedia source
Religious feast days
- Asclepiades of Antioch Wikipedia source
- Isaac Jogues Wikipedia source
- Luke the Evangelist Wikipedia source
- Monon Wikipedia source
- Peter of Alcantara, can also be celebrated on October 19 Wikipedia source
- October 18 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Constitution Day, in honor of the country's independence (self-governing in free association with New Zealand) in 1974. (Niue) Wikipedia source
- Oxfordshire Day Wikipedia source
Religious feast days
- Aaron (Coptic Orthodox Church of Alexandria) Wikipedia source
- Blessed Agnes of Jesus Wikipedia source
- Aquilinus of Évreux Wikipedia source
- Desiderius (Didier) of Auxerre Wikipedia source
- Frideswide Wikipedia source
- Henry Martyn (Anglican Communion) Wikipedia source
- Isaac Jogues, Jean de Brébeuf, and Companions Wikipedia source
- Blessed Jerzy Popiełuszko Wikipedia source
- Paul of the Cross Wikipedia source
- Ptolemaeus and Lucius Wikipedia source
- Varus Wikipedia source
- Veranus of Cavaillon Wikipedia source
- William Carey (Episcopal Church) Wikipedia source
- October 19 (Eastern Orthodox liturgics) Wikipedia source
International
- World Osteoporosis Day Wikipedia source
- World Statistics Day Wikipedia source
National and local
- Arbor Day (Czech Republic) Wikipedia source
- Heroes' Day (Kenya) Wikipedia source
- Revolution Day (Guatemala), one of the two Patriotic Days (Guatemala) Wikipedia source
- Vietnamese Women's Day (Vietnam) Wikipedia source
Religious feast days
- Christian feast days: Acca of Hexham Wikipedia source
- Christian feast days: Aderald Wikipedia source
- Christian feast days: Artemius Wikipedia source
- Christian feast days: Caprasius of Agen Wikipedia source
- Christian feast days: Blessed Franz Alexander Kern Wikipedia source
- Christian feast days: Irene of Tomar Wikipedia source
- Christian feast days: Jakub Strzemię Wikipedia source
- Christian feast days: Magdalene of Nagasaki Wikipedia source
- Christian feast days: Paul of the Cross (in USA, moved from Oct. 19) Wikipedia source
- Christian feast days: Maria Bertilla Boscardin Wikipedia source
- Christian feast days: Mater Admirabilis Wikipedia source
- Christian feast days: October 20 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Armed Forces Day (Honduras) Wikipedia source
- Egyptian Naval Day (Egypt) Wikipedia source
- Indian Police Commemoration Day (India) Wikipedia source
- National Nurses' Day (Thailand) Wikipedia source
- Ndadaye Day (Burundi) Wikipedia source
- Overseas Chinese Day (Republic of China) Wikipedia source
- Trafalgar Day (the British Empire in the 19th and early 20th century) Wikipedia source
- Birth of the Báb (2017) (Baháʼí Faith) Wikipedia source
Religious feast days
- Céline of Laon Wikipedia source
- Blessed Charles of Austria (Roman Catholic Church) Wikipedia source
- Fintán of Taghmon Wikipedia source
- Hilarion Wikipedia source
- John of Bridlington Wikipedia source
- Laura of Saint Catherine of Siena Wikipedia source
- Malchus of Syria Wikipedia source
- Pedro Calungsod Wikipedia source
- Peter Yu Tae-chol Wikipedia source
- Severinus of Bordeaux Wikipedia source
- Tuda of Lindisfarne Wikipedia source
- Ursula Wikipedia source
- Viator of Lyons Wikipedia source
- October 21 (Eastern Orthodox liturgics) Wikipedia source
International
- International Stuttering Awareness Day Wikipedia source
National and local
- Jidai Matsuri (Kyoto, Japan) Wikipedia source
Religious feast days
- Abercius of Hieropolis Wikipedia source
- Cordula of Cologne Wikipedia source
- Donatus of Fiesole Wikipedia source
- Marcus of Jerusalem Wikipedia source
- Mellonius Wikipedia source
- Nunilo and Alodia Wikipedia source
- Pope John Paul II Wikipedia source
- October 22 (Eastern Orthodox liturgics) Wikipedia source
International
- Mole Day (International observance) Wikipedia source
Religious feast days
- Feast of the Most Holy Redeemer Wikipedia source
- James the Just (i.e. James, brother of Jesus) (Lutheran, Episcopal Church (USA), Eastern Orthodox) Wikipedia source
- Æthelflæd of Romsey Wikipedia source
- Allucio of Campugliano Wikipedia source
- Amon of Toul (Diocese of Toul) Wikipedia source
- Boethius Wikipedia source
- Ignatios of Constantinople Wikipedia source
- John of Capistrano Wikipedia source
- Joséphine Leroux Wikipedia source
- Paul Tong Viet Buong Wikipedia source
- Peter Pascual Wikipedia source
- Romain (Romanus) of Rouen Wikipedia source
- Servandus and Cermanus Wikipedia source
- Severin of Cologne Wikipedia source
- Blessed Thomas Thwing Wikipedia source
- October 23 (Eastern Orthodox liturgics) Wikipedia source
- Christmas or the Feast of Señor Noemi (the Child Jesus) in the Apostolic Catholic Church Wikipedia source
National and local
- Armed Forces Day (Romania) Wikipedia source
- Day of the Basque Country (Basque Country) Wikipedia source
- Republic Day (Kazakhstan) Wikipedia source
- Retrocession Day and the memorial day for the Battle of Guningtou ( Taiwan) Wikipedia source
- Sovereignty Day (Slovenia) Wikipedia source
- Thanksgiving Day (Grenada) Wikipedia source
Religious feast days
- Bernat Calbó (Bernard of Calvo) Wikipedia source
- Canna Wikipedia source
- Blessed Carlo Gnocchi Wikipedia source
- Crysanthus and Daria (Western Christianity) Wikipedia source
- Crispin and Crispinian Wikipedia source
- Fructus Wikipedia source
- Gaudentius of Brescia Wikipedia source
- Goeznovius Wikipedia source
- María Teresa Ferragut Roig and four of her daughters Wikipedia source
- Maurus of Pécs Wikipedia source
- Minias of Florence Wikipedia source
- Mar Nestorius (in the Nestorian churches) Wikipedia source
- Tabitha (Dorcas) Wikipedia source
- Tegulus Wikipedia source
- Blessed Thaddeus McCarthy Wikipedia source
- The Six Welsh Martyrs and companions (in Wales) Wikipedia source
- The Hallowing of Nestorius Wikipedia source
- October 25 (Eastern Orthodox liturgics) Wikipedia source
International
- International Animation Day (ASIFA) Wikipedia source
National and local
- Day of the Establishment of an Independent Czecho-Slovak State, celebrates the independence of Czechoslovakia from Austria-Hungary in 1918. (Czech Republic and Slovakia) Wikipedia source
- Ohi Day (Greece, Cyprus and the Greek communities), a national day in Greece Wikipedia source
- Prefectural Earthquake Disaster Prevention Day (Gifu Prefecture) Wikipedia source
- Youth Pledge Day or Hari Sumpah Pemuda (Indonesia) Wikipedia source
- Anniversary of the liberation of Ukraine from the Nazis, celebrating the liberation from Nazi German troops of the territory of current Ukraine Wikipedia source
Religious feast days
- Abdias of Babylon Wikipedia source
- Abgar V of Edessa (Eastern Orthodox Church) Wikipedia source
- Eadsige Wikipedia source
- Faro Wikipedia source
- Fidelis of Como (Roman Catholic Church) Wikipedia source
- Firmilian Wikipedia source
- Francis Serrano Wikipedia source
- Godwin of Stavelot Wikipedia source
- Job of Pochayiv (repose) (Eastern Orthodox Church) Wikipedia source
- The Apostles Simon and Jude (Western Christianity) Wikipedia source
- Lord of Miracles (Lima) Wikipedia source
- October 28 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Coronation Day (Cambodia) Wikipedia source
- National Cat Day (United States) Wikipedia source
- Republic Day (Turkey) or Cumhuriyet Bayramı Wikipedia source
Religious feast days
- Abraham of Rostov Wikipedia source
- Blessed Chiara Badano Wikipedia source
- Colman mac Duagh Wikipedia source
- Douai Martyrs Wikipedia source
- Gaetano Errico Wikipedia source
- James Hannington (Anglicanism) Wikipedia source
- Michele Rua Wikipedia source
- Narcissus of Jerusalem Wikipedia source
- Theuderius Wikipedia source
- October 29 (Eastern Orthodox liturgics) Wikipedia source
National and local
- Día de la Canción Criolla (Peru) Wikipedia source
- Earliest day on which All Saints Day can fall, while November 6 is the latest; celebrated on Saturday between October 31 and November 6 (Finland, Sweden) Wikipedia source
- Halloween and related celebrations: Allantide (Cornwall) Wikipedia source
- Halloween and related celebrations: Halloween (Ireland, Canada, United Kingdom, United States and other places) Wikipedia source
- Halloween and related celebrations: Hop-tu-Naa (Isle of Man) Wikipedia source
- Halloween and related celebrations: Samhain in the Northern Hemisphere, Beltane in the Southern Hemisphere; begins on sunset of October 31 (Gaels, Welsh people and Neopagan Wheel of the Year) Wikipedia source
- Halloween and related celebrations: The first day of the Day of the Dead, celebrated until November 2 (Mexico) Wikipedia source
- Girl Scouts Founders Day (United States) Wikipedia source
- King Father's Birthday (Cambodia) Wikipedia source
- National Unity Day (India) Wikipedia source
- Reformation Day (Slovenia, parts of Germany, Chile, various Protestant churches with a particular emphasis in Lutheran and Reformed ones) Wikipedia source
Religious feast days
- Alphonsus Rodriguez Wikipedia source
- Ampliatus Wikipedia source
- Begu Wikipedia source
- Blessed Dominic Collins Wikipedia source
- Epimachus of Pelusium Wikipedia source
- Erc of Slane (in Cornwall) Wikipedia source
- Foillan Wikipedia source
- Martin Luther (Anglican Communion) Wikipedia source
- Paul Shinji Sasaki and Philip Lindel Tsen (Episcopal Church) Wikipedia source
- Quentin Wikipedia source
- Blessed Theodore Romzha (Ruthenian Catholic Church) Wikipedia source
- Blessed Tommaso Bellacci Wikipedia source
- Wolfgang of Regensburg Wikipedia source
- October 31 (Eastern Orthodox liturgics) Wikipedia source