atomic bombs dropped on Hiroshima and Nagasaki
rise in public television broadcasting
transistor developed by Bell Labs as the first alternative to the vacuum tube
Wiesner with Dr. Y.W. Lee invents auto-correlator, a device used to decrease radar and radio noise
Soviets test an atomic bomb
North Korea invades South Korea
UNIVAC I, the first commercial computer, is delivered to the U.S. Bureau of the Census
1945 1946 1947 1948 1949 1950 1951
Franklin D. Roosevelt dies
Harry S Truman becomes President of the U.S.
Germany and Japan surrender
United Nations founded
beginning of the Cold War
McCarthy steps up investigations against 'communists' in the U.S.