Here is what happened on this day in history!
December 20th…
1957- Elvis Presley is drafted
1989- The U.S. invades Panama
1995- NATO assumes peacekeeping duties in Bosnia
1960- National Liberation Front formed
1836- Andrew Jackson submits Indian treaty to Congress
1986- Man chased to his death in Howard Beach hate crime
1963- Berlin Wall opened for first time
1989- “Roger & Me” opens in U.S. theaters
1941- Hitler to Halder: No retreat!
You can read more about any of these events at https://www.history.com/this-day-in-history.