The presidents were Franklin Delano Roosevelt who was succeded by vice president Harry Truman
There was no president in Russia at this time. Russia has only had presidents since 1991. The Holocaust was in the 1940s.
I'd say the thousands of soldiers who went to World War II were "key" in saving humanity from Hitler.
They came in this order: Herbert Hoover, 1929-1933; Franklin Delanor Roosevelt, 1933-1945; Harry S. Truman, 1945-1953.
A picture of every U.S. President is included in Wikipedia's "List of U.S. Presidents." The Presidents who served during the Cold War were Harry S. Truman in the late 1940s through George H. W. Bush in the early 1990s.
there is a special name for an eara in the 1940s it is ragtime
jet aircraft mass production began in the 1940s
The michel Wise was the most popular car in the 1940s
1940, 1944 and 1948 were the leap years in the 1940s.
No they did not
Both Eamon De Valera and John A. Costello served as Taoiseach in the 1940s.
The U.S. didn't mint any silver dollars in the 1940s.