Observed on 22 April
- Earth Day: First observed in 1970.
- Discovery Day (Brazil)
- Earth Day (International observance) and its related observance: International Mother Earth Day
- Holocaust Remembrance Day (Serbia)
- From 2018 onwards, a national day of commemoration for the murdered teenager Stephen Lawrence (United Kingdom)
22 April in Indian history
- 2025At least 26 people are killed in a terrorist attack on a group of tourists in Pahalgam, Jammu and Kashmir. The Resistance Front (TRF), an offshoot of the Pakistan-based militant group Lashkar-e-Taiba claimed responsibility for the attack.India
- 1969The formation of the Communist Party of India (Marxist–Leninist) is announced at a mass rally in Calcutta.India
- 1944World War II: The 1st Air Commando Group using Sikorsky R-4 helicopters stage the first use of helicopters in combat with combat search and rescue operations in the China Burma India Theater.India
22 April in world history
- 2020A truck struck and killed four Victoria Police officers on the Eastern Freeway, Australia, the force's deadliest single incident.
- 2016The Paris Agreement, an international treaty on climate change, opened for signature and was signed by 175 parties.
- 1974Pan Am Flight 812 crashes on approach to Ngurah Rai International Airport in Denpasar, Bali, Indonesia, killing all 107 people on board.
- 1970Chicano residents in San Diego, California occupy a site under the Coronado Bridge, leading to the creation of Chicano Park.
- 1951Korean War: The Chinese People's Volunteer Army begin assaulting positions defended by the Royal Australian Regiment and the Princess Patricia's Canadian Light Infantry at the Battle of Kapyong.
- 1948Civil War in Mandatory Palestine: The Jewish paramilitary group Haganah captured Haifa from the Arab Liberation Army.
- 1945About 600 prisoners of the Jasenovac concentration camp in the Independent State of Croatia revolted, but only 80 managed to escape while the remainder were killed by the Ustaše regime.
- 1944World War II: Operation Persecution is initiated: Allied forces land in the Hollandia (currently known as Jayapura) area of New Guinea.
- 1915World War I: The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
- 1898Spanish–American War: President William McKinley calls for 125,000 volunteers to join the National Guard and fight in Cuba, while Congress more than doubles regular Army forces to 65,000.
- 1885The first meeting of the Colonial Defence Committee, a standing committee of the British Colonial Office, was held to discuss the defence of Barbados.
- 1864U.S. Congress passed the Coinage Act, which authorized the minting of the two-cent piece, the first U.S. coin to bear the phrase "In God We Trust".
- 1836Texas Revolution: A day after the Battle of San Jacinto, forces under Texas General Sam Houston identify Mexican General Antonio López de Santa Anna among the captives of the battle when some of his fellow soldiers mistakenly give away his identity.
- 1622Anglo-Persian forces combined to capture the Portuguese garrison at Hormuz Island in the Persian Gulf.
- 1500A fleet commanded by Pedro Álvares Cabral anchored off present-day Brazil; he later claimed the land for the Portuguese Empire.
Born on 22 April
- 1970Regine Velasquez, Filipino singer and actress
- 1945Gopalkrishna Gandhi, Indian civil servant and politician, 22nd Governor of West BengalIndia
- 1935Bhama Srinivasan, Indian-American mathematician and academic (died 2025)India
- 1914Baldev Raj Chopra, Indian director and producer (died 2008)India
- 1889Richard Glücks, German SS officer and major contributor to the concentration camp system and the Holocaust (died 1945)
- 1884Otto Rank, Austrian-American psychologist and academic (died 1939)
Died on 22 April
Frequently asked questions
- What happened on 22 April in history?
- 2025: At least 26 people are killed in a terrorist attack on a group of tourists in Pahalgam, Jammu and Kashmir. The Resistance Front (TRF), an offshoot of the Pakistan-based militant group Lashkar-e-Taiba claimed responsibility for the attack. 2020: A truck struck and killed four Victoria Police officers on the Eastern Freeway, Australia, the force's deadliest single incident. 2016: The Paris Agreement, an international treaty on climate change, opened for signature and was signed by 175 parties. 1974: Pan Am Flight 812 crashes on approach to Ngurah Rai International Airport in Denpasar, Bali, Indonesia, killing all 107 people on board.
- What happened on 22 April in Indian history?
- 2025: At least 26 people are killed in a terrorist attack on a group of tourists in Pahalgam, Jammu and Kashmir. The Resistance Front (TRF), an offshoot of the Pakistan-based militant group Lashkar-e-Taiba claimed responsibility for the attack. 1969: The formation of the Communist Party of India (Marxist–Leninist) is announced at a mass rally in Calcutta. 1944: World War II: The 1st Air Commando Group using Sikorsky R-4 helicopters stage the first use of helicopters in combat with combat search and rescue operations in the China Burma India Theater.
- Which famous people were born on 22 April?
- Regine Velasquez, Filipino singer and actress (1970); Gopalkrishna Gandhi, Indian civil servant and politician, 22nd Governor of West Bengal (1945); Bhama Srinivasan, Indian-American mathematician and academic (died 2025) (1935); Baldev Raj Chopra, Indian director and producer (died 2008) (1914).
- Which day is observed on 22 April?
- Earth Day; Discovery Day (Brazil); Earth Day (International observance) and its related observance: International Mother Earth Day; Holocaust Remembrance Day (Serbia); From 2018 onwards, a national day of commemoration for the murdered teenager Stephen Lawrence (United Kingdom).
Historical entries from Wikipedia (CC BY-SA 4.0), sorted with India-related events first.