Franklin Delano Roosevelt was the President of the United States during most of World War 2. After he died on April 12, 1945, his Vice President, Harry S. Truman, became the President. He saw out the remainder of the war.
President truman
Frankilin D. Roosevelt
Truman was a US Senator for most of the war, becoming the vice-president in 1945.
The US president during WW2 was Franklin D. Roosevelt.
Woodrow Wilson - US President
Woodrow Wilson was the US president during WW I.
Woodrow Wilson was the president of the US for the entirety of World War I; it started during his first term, and the US entered it during his second term.
Woodrow Wilson was the president of the US during the entire war.
Woodrow Wilson was the US President during this entire war.
Roosevelt
FDR for most of it then Truman for the end At the beginning of World War 2 the President of the US was Franklin Delano Roosevelt. He died during the war on April 12, 1945. This made his vice president, Harry S. Truman, the new president. Truman was president when the war ended.
President Woodrow Wilson declared war on German in World War 1 and was in office during the war.