What happened today
1879
Famous birthdays
1889
Get history's greatest tales
Subscribe to our HistoryNet Now! newsletter for a blast from the past each week in your inbox.
more events on April 20
-
1999
Two students enter Columbine High School in Littleton, Colorado and open fire with multiple firearms, killing 13 students and teachers, wounding 25 and eventually shooting themselves.
-
1967
U.S. planes bomb Haiphong for first time during the Vietnam War.
-
1962
The New Orleans Citizens Committee gives free one-way ride to blacks to move North.
-
1953
Operation Little Switch begins in Korea, the exchange of sick and wounded prisoners of war.
-
1951
General Douglas MacArthur addresses a joint session of Congress after being relieved by President Harry Truman.
-
1945
Soviet troops begin their attack on Berlin.
-
1942
Pierre Laval, the premier of Vichy France, in a radio broadcast, establishes a policy of “true reconciliation with Germany.”
-
1940
The first electron microscope is demonstrated.
-
1927
Alex Muller, Nobel Prize-winning physicist.
-
1919
The Polish Army captures Vilno, Lithuania from the Soviets.
-
1916
The first National League game is played at Chicago’s Wrigley Field, then known as Weeghman Park. The park was renamed Cubs Park in 1920 and Wrigley Field, for the Chicago Cubs owner, in 1926.
-
1893
Joan Miró, Spanish painter.
-
Harold Lloyd, film comedian.
-
1889
Adolf Hitler, Fascist dictator of Nazi Germany (1933-1945).
-
1879
The first mobile home (horse-drawn) is used in a journey from London to Cyprus.