This Timeline of events preceding World War II covers the events of the interwar period (1918-1939) after World War I that affected or led to World War II.
Leaders of Major Participating Countries
Mussolini
Fascist Italy
1922-1943
Hitler
Nazi Germany
1933-1945
Hirohito
Imperial Japan
1926-1989
Chiang Kai-shek
China
1928-1975