11 significant historical events occurred on December 20. December 20 is a date that has seen several notable historical events. In 1942, during World War II, the Soviet Union launched Operation Mars, a significant military offensive. In 1952, the Convention on the Political Rights of Women was adopted, marking progress in international law. In 1956, the Montgomery bus boycott ended, marking a key moment in the civil rights movement. These events reflect the range of historical developments that have occurred on this date.
Total Events
11
Time Span
1852–2022
Categories
4
Top Category
war
5 events
15 famous birthdays on December 20
Including Jaroslav Heyrovsky, Kylian Mbappé, Geremi
View Birthdays
Event Distribution by Century
Darker = Higher Density19th C.21st C.
19th Century
1 event20th Century
8 eventsgeneral
Montgomery bus boycott — protest campaign against racial segregation on buses in Montgomery, Alabama
21st Century
2 eventsExplore More for December 20
Discover births, deaths, and deeper historical trends for this date.