Historical Events on April 20
6 notable historical events happened on April 20 throughout history.
12 famous birthdays on April 20 — including Napoleon III, Adolf Hitler, Joan Miró20th Century5 events
1914
war
Ludlow Massacre — attack by Colorado National Guard and mine camp guards on striking coal miners
1961
1978
general
Korean Air Lines Flight 902 — 1978 aircraft accident in the Soviet Union
1992
war
The Freddie Mercury Tribute Concert for AIDS Awareness — 1992 benefit concert
1999
general
Columbine High School massacre — school shooting at Columbine High School in Columbine, Colorado, United States on April 20, 1999
21st Century1 event
2003
general
2003 San Marino Grand Prix — Formula One motor race held in 2003