April 11
Mawlid al-Nabi (Muhammad’s Birthday)
1961
The trial of Nazi war criminal Adolf Eichmann began in Israel. The man accused of leading Hitler’s effort to exterminate the Jewish people and others faced 15 charges, including crimes against humanity, crimes against the Jewish people, and war crimes.

1963
Pacem in Terris encyclical issued by Pope John XIII, calling for an end to the nuclear arms race.
1980
The Equal Employment Opportunity Commission issues regulations specifically prohibiting sexual harassment of workers by supervisors.
1996
Treaty of Pelindaba signed in Cairo, making Africa a nuclear-free continent and in theory making the entire southern hemisphere a nuclear-free zone.
