Untitled timeline

Japan

09/01/1931
03/01/1933
12/01/1934
11/01/1936
08/01/1940
09/01/1940
06/01/1941
07/01/1941
12/07/1941

United States

07/01/1939
11/01/1940
07/01/1941
07/01/1941