May 21

Saturday 21, 2005:

In Kiev, Ukraine, Greece wins the fiftieth Eurovision Song Contest with "My Number One" performed by Elena Paparizou.

Friday 21, 2004:

Stanislav Petrov is awarded the World Citizen Award for averting a potential World War III in 1983

Saturday 21, 1966:

Cassius Clay beat Henry Cooper in the sixth round at the Arsenal football ground, North London.

Monday 21, 1956:

Nuclear testing: In the Pacific Ocean, Bikini Atoll is nearly obliterated by the first airborne explosion of a hydrogen bomb.

Saturday 21, 1932:

Amelia Earhart, because of bad weather, lands in a pasture in Derry, Northern Ireland, becoming the first woman to fly solo across the Atlantic Ocean.