World War II Timeline By cheffr Nov 11, 1918 End of WWI Jan 20, 1919 Hitler joins Nazi Party Jan 20, 1921 Fascist Party established under Mussolini in Italy Jan 20, 1922 Establishment of the USSR Oct 20, 1922 Mussolini takes over in Italy Jan 20, 1924 Death of Lenin; control of USSR to Stalin Jan 20, 1928 Kellogg-Braind Pact Jan 20, 1931 Japan invades Manchuria Aug 23, 1931 Non-agression pact Jan 20, 1933 Roosevelt takes Office Jan 25, 1933 Hitler becomes Chancellor of Germany Jan 20, 1935 US passes Neutrality Acts Jan 20, 1935 Hitler begins military buildup Jan 25, 1936 German troops invade Rhineland May 20, 1936 Italian troops conquer Ethiopia May 25, 1936 Civil War begins in Spain under Francisco Franco Jan 25, 1937 Japan invades China Nov 5, 1937 Hitler announces secret plans for lebensraum Mar 12, 1938 Hitler takes Austria Sep 30, 1938 Munich Agreement Jan 25, 1939 Franco is successful in Spain Jan 25, 1939 Totalitarian government established in USSR Jan 25, 1939 Russian army into Finland Mar 15, 1939 Czechoslovakia falls to Hitler Sep 1, 1939 German invasion of Poland May 22, 1940 British and French defeat at Dunkirk May 25, 1940 Defeat Neatherland Jun 22, 1940 Frances surrenders to Germany Jun 25, 1940 Italy enters the war on the side of Germany and invades France Jun 25, 1940 Plans for invasion of Great Britian