Technology Project - 1930-1939 By andrewboehme 1930 Pluto is discovered by Clyde Tombaugh Period: 1930 to 1936 The Dust Bowl devastates the North America 1931 Australia and New Zealand gain full authority over their territories 1932 Franklin Roosevelt elected President 1933 Hitler and the Nazi party take control of Germany Period: 1935 to 1936 Ethiopian Empire is invaded by Italy Period: 1936 to 1938 Stalin's Great Purge 1937 Japan invades China War begins with China and lasts until 1943