1941-1945: WWII - Following the attack on Pearl Harbor, the United States rapidly got involved in first the Pacific Theater and then the European Theater. American involvement in the war was essential for the defeat of Japan and important toward the victory in the Western front of the European Theater to complement Soviet advances on the Eastern front. (jan 1, 1941 – jan 1, 1945)
Added to timeline:
Date:
jan 1, 1941
jan 1, 1945
~ 4 years