Unix Timestamp: 628732800
Monday, December 4. 1989, 12:00:00 AM UTC

Prime Minister of JordanZaid ibn Shaker resigns and is replaced by Mudar Badran.

École Polytechnique Massacre (or Montreal Massacre): Marc Lépine, an anti-feminist gunman, murders 14 young women at the École Polytechnique in Montreal.

The Lithuanian Soviet Socialist Republic becomes the first of the republics of the Soviet Union to abolish the Communist Party's monopoly on power.

Ladislav Adamec resigns as Prime Minister of Czechoslovakia. He is succeeded by Marián Čalfa on December 10.

Egon Krenz resigns as Chairman of the State Council of the German Democratic Republic, and is replaced by Manfred Gerlach, the first non-Communist to hold that post.