Observed on 4 August
- Coast Guard Day (United States)
- Constitution Day (Cook Islands); first Monday in August
- Matica slovenská Day (Slovakia)
- Barack Obama Day in Illinois in the United States
- 2020 Beirut explosion commemoration day in Lebanon
4 August in Indian history
- 1873American Indian Wars: While protecting a railroad survey party in Montana, the United States 7th Cavalry, under Lieutenant Colonel George Armstrong Custer clashes for the first time with the Cheyenne and Lakota people near the Tongue River; only one man on eacIndia
- 1781Fourth Anglo-Dutch War, a fleet of six East India Company ships sets sail from Fort Marlborough to raid the Dutch VOC factories on the West coast of Sumatra including the major port of Padang.India
4 August in world history
- 2020A large explosion of ammonium nitrate stored at the Port of Beirut in Lebanon killed 218 people and caused US$15 billion in damage.
- 2019Nine people are killed and 26 injured in a shooting in Dayton, Ohio. This comes only 13 hours after another mass shooting in El Paso, Texas, where 23 people were killed.
- 2018Crisis in Venezuela: Seven people are injured when two drones detonate explosives on Avenida Bolívar, Caracas while president Nicolás Maduro is giving a speech to the Venezuelan National Guard.
- 2018Syrian civil war: The Syrian Democratic Forces (SDF) expel the Islamic State of Iraq and the Levant (ISIL) from the Iraq–Syria border, concluding the second phase of the Deir ez-Zor campaign.
- 2007NASA's Phoenix Mars lander is launched.
- 1995Yugoslav Wars: The Croatian Army initiated Operation Storm, the last major battle of the Croatian War of Independence and the largest European land battle since the Second World War.
- 1969Vietnam War: At the apartment of French intermediary Jean Sainteny in Paris, American representative Henry Kissinger and North Vietnamese representative Xuân Thuỷ begin secret peace negotiations. The negotiations will eventually fail.
- 1964Vietnam War: The National Security Agency falsely claimed that a U.S. Navy destroyer was attacked a second time by North Vietnamese vessels in the Gulf of Tonkin, leading Congress to authorize the use of military force.
- 1964Civil rights movement: Civil rights workers Michael Schwerner, Andrew Goodman and James Chaney are found dead in Mississippi after disappearing on June 21.
- 1953Alfred C. Glassell Jr. caught a black marlin weighing 1,560 lb (710 kg) off the coast of Peru, setting the record for the largest bony fish caught by hand.
- 1944The Holocaust: A tip from a Dutch informer leads the Gestapo to a sealed-off area in an Amsterdam warehouse, where they find and arrest Jewish diarist Anne Frank, her family, and four others.
- 1862In Brooklyn, a mob composed largely of Irish Americans attacked a group of African Americans in a riot.
- 1796French Revolutionary Wars: Commanded by Napoleon Bonaparte, the French Army of Italy decisively defeated Austrian forces led by Peter Vitus von Quosdanovich at the Battle of Lonato.
- 1789France: abolition of feudalism by the National Constituent Assembly.
- 1356Hundred Years' War: A large-scale mounted raid by Anglo-Gascon forces began under the command of Edward the Black Prince.
- 1265Second Barons' War: Royal troops led by Prince Edward defeated baronial forces under Simon de Montfort at the Battle of Evesham in Worcestershire, England.
Born on 4 August
- 1998Lil Skies, American rapper
- 1958Mary Decker, American runner
- 1929Kishore Kumar, Indian singer-songwriter and actor (died 1987)India
- 1922Mayme Agnew Clayton, American librarian (died 2006)
- 1900Queen Elizabeth the Queen Mother, Queen Consort of King George VI of the United Kingdom, Empress Consort of India (died 2002)India
- 1888Taher Saifuddin, Indian religious leader, 51st Da'i al-Mutlaq (died 1965)India
Died on 4 August
- 2019Nuon Chea, Cambodian politician and theorist for the Khmer Rouge (born 1926)
- 2005Iván Szabó, Hungarian economist and politician, Minister of Finance of Hungary (born 1934)
- 1961Margarito Bautista, Nahua-Mexican evangelizer, theologian, and religious founder (born 1878)
- 966Berengar II of Italy (born 900)
Frequently asked questions
- What happened on 4 August in history?
- 2020: A large explosion of ammonium nitrate stored at the Port of Beirut in Lebanon killed 218 people and caused US$15 billion in damage. 2019: Nine people are killed and 26 injured in a shooting in Dayton, Ohio. This comes only 13 hours after another mass shooting in El Paso, Texas, where 23 people were killed. 2018: Crisis in Venezuela: Seven people are injured when two drones detonate explosives on Avenida Bolívar, Caracas while president Nicolás Maduro is giving a speech to the Venezuelan National Guard. 2018: Syrian civil war: The Syrian Democratic Forces (SDF) expel the Islamic State of Iraq and the Levant (ISIL) from the Iraq–Syria border, concluding the second phase of the Deir ez-Zor campaign.
- What happened on 4 August in Indian history?
- 1873: American Indian Wars: While protecting a railroad survey party in Montana, the United States 7th Cavalry, under Lieutenant Colonel George Armstrong Custer clashes for the first time with the Cheyenne and Lakota people near the Tongue River; only one man on eac. 1781: Fourth Anglo-Dutch War, a fleet of six East India Company ships sets sail from Fort Marlborough to raid the Dutch VOC factories on the West coast of Sumatra including the major port of Padang.
- Which famous people were born on 4 August?
- Lil Skies, American rapper (1998); Mary Decker, American runner (1958); Kishore Kumar, Indian singer-songwriter and actor (died 1987) (1929); Mayme Agnew Clayton, American librarian (died 2006) (1922).
- Which day is observed on 4 August?
- Coast Guard Day (United States); Constitution Day (Cook Islands); first Monday in August; Matica slovenská Day (Slovakia); Barack Obama Day in Illinois in the United States; 2020 Beirut explosion commemoration day in Lebanon.
Historical entries from Wikipedia (CC BY-SA 4.0), sorted with India-related events first.