11 significant historical events occurred on December 21. December 21 has seen several important events in modern history. Notable incidents on this date include the 1988 bombing of Pan Am Flight 103 over Scotland and the 2023 school shooting in Prague. Important developments include the establishment of the Central European Free Trade Agreement in 1992 and the interest surrounding eschatological beliefs about December 21, 2012.
Total Events
11
Time Span
1443–2023
Categories
3
Top Category
war
7 events
21 famous birthdays on December 21
Including William Ruto, Hu Jintao, Heinrich Böll
View Birthdays
Event Distribution by Century
Darker = Higher Density15th C.21st C.
15th Century
1 event18th Century
1 event19th Century
5 events20th Century
2 events21st Century
2 eventsExplore More for December 21
Discover births, deaths, and deeper historical trends for this date.