04/19/1995
United States – Oklahoma City Bombing killing 168 people and injuring hundreds more.

04/19/1993
United States – End of Branch Davidian Siege near Waco, Texas.

04/19/1980
Colombia – Founding of “April 19 Movement (M-19)” formerly leftist terrorist group, now a legitimate political party.

04/19/1960
South Korea – Students` Day commemorates resignation of president Syngman Rhee.

04/19/1960
Namibia – Founding of South West Africa People`s Organization (SWAPO) former rebel group now legitimate and dominant political party.

04/19/1971
Sierra Leone – Proclamation of the Republic

04/20/1889
Germany – Adolf Hitler`s Birthday

04/21/1967
Greece – Military Dictatorship Began

Full Story and More Dates
Link to Oklahoma City National Memorial Institute for the Prevention of Terrorism