Franklin Delano Roosevelt and Harry Truman, in that order.
The president during World War I (1914-1918) was Thomas Woodrow Wilson. The presidents during World War II (1939-1945) were Franklin Delano Roosevelt and Harry S. Truman. Franklin Roosevelt died in office so there were 2 presidents.
It would be helpful if you specified which World War. Woodrow Wilson was President through World War I. Franklin Delano Roosevelt and Harry S Truman were both Presidents during World War II.
World War II
Germany invaded France during World War II.
No, Germany did not invade Spain during World War II. Spain remained neutral during the war.
Mexico had two presidents during WWII (1939-1945):Lazaro Cardenas (1934-1940)Manuel Avila (1940-1946)
Herbert Hoover and Franklin Roosevelt were presidents during the Great Depression.
Approximately 2.5 of soldiers perished during World War II.
During World War II, Russia had approximately 50,000 tanks.
Hitler broke the Molotov-Ribbentrop Pact during World War II.
Joseph Stalin was the leader of the Soviet Union during World War II.