WHAT HAPPENED ON 21. APRIL
Want to find out what all happened on 21. April

Emmanouil Tsouderos becomes the 132nd Prime Minister of Greece. (21. April 1941)

World War II: The most famous (and first international) Aggie Muster is held on the Philippine island of Corregidor, by Brigadier General George F. Moore (with 25 fellow Texas A&M graduates who are under his command), while 1.8 million pounds of shells pounded the island over a 5-hour attack. (21. April 1942)

World War II: Soviet forces south of Berlin at Zossen attack the German High Command headquarters. (21. April 1945)

Secretary's Day (now Administrative Professionals' Day) is first celebrated. (21. April 1952)

Brasília, Brazil's capital, is officially inaugurated. At 09:30, the Three Powers of the Republic are simultaneously transferred from the old capital, Rio de Janeiro. (21. April 1960)

The Seattle World's Fair (Century 21 Exposition) opens. It is the first World's Fair in the United States since World War II. (21. April 1962)

The Universal House of Justice of the Bahá'í Faith is elected for the first time. (21. April 1963)

A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 pounds (0.95 kg) of radioactive plutonium in its SNAP RTG power source is widely dispersed. (21. April 1964)

The 1964–1965 New York World's Fair opens for its second and final season. (21. April 1965)

Rastafari movement: Haile Selassie of Ethiopia visits Jamaica, an event now celebrated as Grounation Day. (21. April 1966)

Greek military junta of 1967–74: A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'état, establishing a military regime that lasts for seven years. (21. April 1967)

The Hutt River Province Principality secedes from Australia. (21. April 1970)

Vietnam War: President of South Vietnam Nguyen Van Thieu flees Saigon, as Xuan Loc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls. (21. April 1975)

Baseball: Rollie Fingers of the Milwaukee Brewers becomes the first pitcher to record 300 saves. (21. April 1982)

The Tamil Tigers are blamed for a car bomb that detonates in the Sri Lankan capital city of Colombo, killing 106 people. (21. April 1987)

Tiananmen Square Protests of 1989: In Beijing, around 100,000 students gather in Tiananmen Square to commemorate Chinese reform leader Hu Yaobang. (21. April 1989)

The first discoveries of extrasolar planets are announced by astronomers Alexander Wolszczan and Dale Frail. They discovered two planets orbiting the pulsar PSR 1257+12. (21. April 1992)

The Supreme Court in La Paz, Bolivia, sentences former dictator Luis Garcia Meza to 30 years in jail without parole for murder, theft, fraud and violating the constitution. (21. April 1993)

Five suicide car bombers target police stations in and around Basra, killing 74 people and wounding 160. (21. April 2004)