What happend on 15th May

14.05
16.05
2004

The largest prime number to be discovered, 224036583 âˆ’ 1, is found by Josh Findley and the GIMPS collaborative effort.

2002

Vanilla Coke hits shelves for the first time in the United States.

1992

The Genoa Expo '92 World's Fair opens in Genoa, Italy.

1991

Edith Cresson becomes France's first female prime minister.

1990

Portrait of Doctor Gachet by Vincent van Gogh is sold for a record $82.5 million, the most expensive painting at the time.

1988

Soviet war in Afghanistan: After more than eight years of fighting, the Red Army begins its withdrawal from Afghanistan.

1978

Lagumot Harris, having only been elected President less than a month before, is replaced as the leader of the republic of Nauru. He is succeeded by Hammer DeRoburt.

1972

In Laurel, Maryland, Arthur Bremer shoots and paralyzes Alabama Governor George Wallace while Wallace is campaigning to be American President.

1972

The island of Okinawa, under US military governance since its conquest in 1945, reverts to Japanese control.

1970

Philip Lafayette Gibbs and James Earl Green killed at Jackson State University by police during student protests.