Thursday - December 20th
1355 A.D. Stefan Uros IV of Serbia dies during his march on Constantinople.
1802 A.D. Louisiana purchase enacted.
1924 A.D. Adolf Hitler released from prison.
1943 A.D. Soviets halt the German relief force headed towards Stalingrad.
1963 A.D. 17 day Christmas Accord allows four thousand to cross the Berlin wall and visit their relatives.
1995 A.D. Peacekeeping operation in Bosnia begun by NATO.