July 20 in History

AD 70 (LXX) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Vespasian and Titus. The denomination AD 70 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Kardam was the ruler of the First Bulgarian Empire.

Richard I, known as Richard the Lionheart or Richard Cœur de Lion because of his reputation as a great military leader and warrior, was King of England from 1189 until his death in 1199. He also ruled as Duke of Normandy, Aquitaine, and Gascony; Lord of Cyprus; Count of Poitiers, Anjou, Maine, and Nantes; and was overlord of Brittany at various times during the same period. He was the third of five sons of Henry II of England and Eleanor of Aquitaine and was therefore not expected to become king, but his two elder brothers predeceased their father.

The English people are an ethnic group and nation native to England, who speak the English language, a West Germanic language, and share a common ancestry, history, and culture. The English identity began with the Anglo-Saxons, when they were known as the Angelcynn, meaning "Angle kin" or "English people". Their ethnonym is derived from the Angles, one of the Germanic peoples who settled in Britain around the 5th century AD.

Oulu is a major port city in Finland and the regional capital of North Ostrobothnia. It is located on the north-western coast of the country, at the mouth of the River Oulu. The population of Oulu is approximately 217,000, while the sub-region has a population of approximately 265,000. It is the 5th most populous municipality in Finland, and the fourth most populous urban area in the country. Oulu is also the most populous city in Northern Finland.

Pierre Gaultier de Varennes, sieur de La Vérendrye was a military officer, fur trader, and explorer. In the 1730s, he and his four sons explored the area west of Lake Superior and established trading posts there. They were part of a process that added Western Canada to the original New France territory that was centred along the Saint Lawrence basin.

Joseph Nicéphore Niépce was a French inventor and one of the pioneers of photography. Niépce developed heliography, a technique he used to create the world's oldest surviving products of a photographic process. In the mid-1820s, he used a primitive camera to produce the oldest surviving photograph of a real-world scene. Among Niépce's other inventions was the Pyréolophore, one of the world's first internal combustion engines, which he conceived, created, and developed with his older brother Claude Niépce.

The Seneca are a group of Indigenous Iroquoian-speaking people who historically lived south of Lake Ontario, one of the five Great Lakes in North America. Their nation was the farthest to the west within the Six Nations or Haudenosaunee in New York before the American Revolution. For this reason, they are called "The Keepers of the Western Door".

The Battle of Peachtree Creek was fought in Georgia on July 20, 1864, as part of the Atlanta campaign in the American Civil War. It was the first major attack by Lt. Gen. John Bell Hood since taking command of the Confederate Army of Tennessee. The attack was against Maj. Gen. William T. Sherman's Union army, which was perched on the doorstep of Atlanta. The main armies in the conflict were the Union Army of the Cumberland, commanded by Maj. Gen. George Henry Thomas and two corps of the Confederate Army of Tennessee.

British Columbia is the westernmost province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, forests, lakes, mountains, inland deserts, and grassy plains. British Columbia borders the province of Alberta to the east; the territories of Yukon and Northwest Territories to the north; the US states of Washington, Idaho, and Montana to the south; and Alaska to the northwest. With an estimated population of 5.68 million as of 2025, it is Canada's third-most populous province. The capital of British Columbia is Victoria, while the province's largest city is Vancouver. Vancouver and its suburbs together make up the third-largest metropolitan area in Canada, with the 2021 census recording 2.6 million people in Metro Vancouver. British Columbia is Canada's third-largest province by total area, after Quebec and Ontario.

The Ford Motor Company is an American multinational automobile manufacturer headquartered in Dearborn, Michigan, United States. It was founded by Henry Ford and incorporated on June 16, 1903. The company sells automobiles and commercial vehicles under the Ford brand, and luxury cars under its Lincoln brand. The company is listed on the New York Stock Exchange under the single-letter ticker symbol F and is controlled by the Ford family. They have minority ownership but a plurality of the voting power.

Silivri, formerly Selymbria, is a municipality and district of Istanbul Province, Turkey. Its population is 217,163 (2022). It lies along the Sea of Marmara, outside the urban core of Istanbul, containing many holiday and weekend homes for residents of the city. The largest settlement in the district is also named Silivri.

The 1932 Prussian coup d'état or Preußenschlag took place on 20 July 1932, when Reich President Paul von Hindenburg, at the request of Franz von Papen, then Reich Chancellor of Germany, replaced the legal government of the Free State of Prussia with von Papen as Reich Commissioner. A second decree the same day transferred executive power in Prussia to the Reich Minister of the Armed Forces Kurt von Schleicher and restricted fundamental rights.

The 1934 West Coast waterfront strike began on May 9, 1934, when longshoremen in every U.S. West Coast port walked out. It lasted 83 days. Organized by the International Longshoremen's Association (ILA), the strike peaked with the death of two workers on "Bloody Thursday" and the subsequent San Francisco General Strike, which stopped all work in the major port city for four days, and led ultimately to the settlement of the West Coast Longshoremen's Strike.

The (Montreux) Convention regarding the Regime of the Straits, often known simply as the Montreux Convention, is an international agreement governing the Bosporus and Dardanelles straits in Turkey. Signed on 20 July 1936 at the Montreux Palace in Switzerland, it went into effect on 9 November 1936, addressing the long running Straits Question over who should control the strategically vital link between the Black and Mediterranean seas.

The League of Nations was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ended the First World War. The main organisation ceased operations on 18 April 1946 when many of its components were relocated into the new United Nations (UN) which was created in the aftermath of the Second World War. The League of Nations was the precursor organisation to the United Nations.

The Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a transcontinental country that spanned much of Eurasia from its formation in 1922 until its dissolution in 1991. It was the world's third-most populous country, the largest by area, and bordered twelve other countries. A diverse multinational state, it was organized as a federal union of national republics, with the largest and most populous being the Russian Soviet Federative Socialist Republic (SFSR). The world's flagship communist state, it was governed by the Communist Party under Marxism–Leninism, through soviet councils. The Soviet economy was also centrally planned. Its capital and largest city was Moscow.

The Israel–Syria Mixed Armistice Commission (ISMAC) was the United Nations commission for observing the armistice between Israel and Syria after the 1948 Arab–Israeli War, as part of the Mixed Armistice Commissions (MAC). The fourth and last truce agreement, the 1949 armistice agreement, was signed between Israel and Syria on 20 July 1949 on Hill 232 near Mahanayim, ending the formal conflict in the former Mandatory Palestine. The Israeli side was represented by Lieutenant Colonel Mordechai Maklef, Yehoshua Penman and Shabtai Rosenne, while the Syrian side was represented by Colonel Fawzi Selo, Lieutenant Colonel Mohamed Nasser and Captain Afif Sizri. While the armistice agreements with Syria concluded the 1948 Arab–Israeli War, they did not mark the end of the Arab–Israeli conflict.

The Korean People's Army Air Force is the unified military aviation force of North Korea. It is the second largest branch of the Korean People's Army comprising an estimated 110,000 members. As of 2024, it is estimated to possess some 570 combat aircraft, 200 helicopters, and a few transporters, mostly of decades-old Soviet and Chinese origin. Its primary task is to defend North Korean airspace. In April 2022, the Korean People's Army Air and Anti-Air Force name was changed to Korean People's Army Air Force.

Otto John was a German lawyer and intelligence official. During World War II, he was a conspirator in the 20 July plot to assassinate Adolf Hitler. Following the war, he became the first head of West Germany's domestic intelligence service, the Federal Office for the Protection of the Constitution. In July 1954, he surfaced in East Germany, where he made public appearances criticizing the government in Bonn and Chancellor Konrad Adenauer. After his return to West Germany in 1955, despite maintaining that he had been drugged and kidnapped, John was convicted and sentenced to prison for treason.

Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares maritime borders with Italy through the islands of Sicily and Sardinia to the north and Malta to the east. It features the archaeological sites of Carthage dating back to the 9th century BC, as well as the Great Mosque of Kairouan. Known for its ancient architecture, souks, and blue coasts, it covers 163,610 km2 (63,170 sq mi), and has a population of 12.1 million. It contains the eastern end of the Atlas Mountains and the northern reaches of the Sahara desert; much of its remaining territory is arable land. Its 1,300 km (810 mi) of coastline includes the African conjunction of the western and eastern parts of the Mediterranean Basin. Tunisia is home to Africa's northernmost point, Cape Angela. Located on the northeastern coast, Tunis is the capital of the country, which is itself named after Tunis. The official language of Tunisia is Arabic. The vast majority of Tunisia's population is Arab and Muslim. Vernacular Tunisian Arabic is the most spoken language, and French serves as an administrative and educational language in some contexts, but has no official status.

Special Olympics is the world's largest sports organization for children and adults with intellectual disabilities, providing year-round training and activities to 5 million participants and Unified Sports partners in 172 countries. Special Olympics competitions are held daily, all around the world—including local, national and regional competitions, adding up to more than 100,000 events a year. Like the International Paralympic Committee, the Special Olympics organization is recognized by the International Olympic Committee; however, unlike the Paralympic Games, its World Games are not held in the same year nor in conjunction with the Olympic Games.

Honduras, officially the Republic of Honduras, is a country in Central America. It is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Ocean at the Gulf of Fonseca, and to the north by the Gulf of Honduras, a large inlet of the Caribbean Sea. Its capital and largest city is Tegucigalpa.

Viking 1 is the first of two spacecraft, along with Viking 2, each consisting of an orbiter and a lander, sent to Mars as part of NASA's Viking program. The lander touched down on Mars on July 20, 1976, the first successful Mars lander in history. Viking 1 operated on Mars for 2,307 days or 2245 Martian solar days, the longest extraterrestrial surface mission until the record was broken by the Opportunity rover on May 19, 2010.

The Johnstown flood of 1977 was a major flood which began on the night of July 19, 1977, when heavy rainfall caused widespread flash flooding in Cambria County, Pennsylvania, United States, including the city of Johnstown and the Conemaugh Valley.

On 20 July 1981, Somali Airlines Flight 40, a Fokker F27-600 Friendship operating a daily scheduled domestic passenger flight from Mogadishu International Airport to Hargeisa Airport, Somalia, crashed near the town of Balad a few minutes after takeoff killing all 44 passengers and 6 crew members on board. With 50 fatalities, it remains the deadliest aviation accident in Somalia.

Aruba, officially the Country of Aruba, is an island constituent country within the Kingdom of the Netherlands, in the southern Caribbean Sea 29 kilometres (18 mi) north of the Venezuelan peninsula of Paraguaná and 80 kilometres (50 mi) northwest of Curaçao. In 1986, Aruba became a constituent country within the Kingdom of the Netherlands and acquired the official name.

Václav Havel was a Czech statesman, author, poet, playwright, and dissident. Havel served as the last president of Czechoslovakia from 1989 until 1992, prior to the dissolution of Czechoslovakia on 31 December, before he became the first president of the Czech Republic from 1993 to 2003. He was the first democratically elected president of either country after the fall of communism. As a writer of Czech literature, he is known for his plays, essays and memoirs.

USS Constitution, also known as Old Ironsides, is a three-masted wooden-hulled heavy frigate of the United States Navy. She is the world's oldest commissioned warship still afloat. She was launched in 1797, one of six original frigates authorized for construction by the Naval Act of 1794 and the third constructed. The name "Constitution" was among ten names submitted to President George Washington by Secretary of War Timothy Pickering in March or May for the frigates that were to be constructed. Joshua Humphreys designed the frigates to be the young Navy's capital ships, and so Constitution and her sister ships were larger and more heavily armed and built than standard frigates of the period. She was built at Edmund Hartt's shipyard in the North End of Boston, Massachusetts. Her first duties were to provide protection for American merchant shipping during the Quasi-War with France and to defeat the Barbary pirates in the First Barbary War.

The Civil Marriage Act is a federal statute legalizing same-sex marriage across Canada. At the time it became law, same-sex marriage had already been legalized by court decisions in all Canadian jurisdictions except Alberta, Prince Edward Island, the Northwest Territories, and Nunavut.

The Syrian civil war was an armed conflict that began with the Syrian revolution in March 2011, when popular discontent with the Ba'athist regime ruled by Bashar al-Assad triggered large-scale protests and pro-democracy rallies across Syria, as part of the wider Arab Spring. The Assad regime responded to the protests with lethal force, which led to a series of defections, the emergence of armed opposition groups, and the civilian uprising descending into a civil war. The war lasted almost 14 years and culminated in the fall of the Assad regime in December 2024. Many sources regard this as the end of the civil war even though clashes have continued into 2026.

The Syrian civil war was an armed conflict that began with the Syrian revolution in March 2011, when popular discontent with the Ba'athist regime ruled by Bashar al-Assad triggered large-scale protests and pro-democracy rallies across Syria, as part of the wider Arab Spring. The Assad regime responded to the protests with lethal force, which led to a series of defections, the emergence of armed opposition groups, and the civilian uprising descending into a civil war. The war lasted almost 14 years and culminated in the fall of the Assad regime in December 2024. Many sources regard this as the end of the civil war even though clashes have continued into 2026.

The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's third-largest land area and third-largest population, exceeding 341 million.

Soyuz MS-13, also designated ISS flight 59S, was a crewed Soyuz mission launched on 20 July 2019 – the 50th anniversary of the first Moon landing – carrying three members of the Expedition 60 crew to the International Space Station: a Russian commander, an American flight engineer, and a European flight engineer. Soyuz MS-13 was the 142nd flight of a Soyuz spacecraft. It was at one point the last Soyuz flight contracted by NASA in the expectation that subsequent astronaut transport would be provided by the Commercial Crew Program, but in early 2019, NASA sought to purchase two additional Soyuz seats to provide greater certainty given delays in that program. The European segment of the mission was called "Beyond".