Yes, he died during World War 2.
William McKinley was the US President during that war and Theodore Roosevelt served during that war.
President William McKinley was the President during the Spanish American War. Theodore Roosevelt actually served in the military during the war.
President Roosevelt died in 1945, during World War 2. His vice president, Harry S. Truman resumed his office for the remainder of FDR's term.
Roosevelt
President Roosevelt was the president during World War 2. He did not live to see the end of the war however. Vice President Truman became the President and he was president when the war ended and during the Korean War.
Franklin Delano Roosevelt was the president during WWII.
The US president during WW2 was Franklin D. Roosevelt.
President, Commander and Chief.
Franklin D. Roosevelt
Roosevelt
Theodore (Teddy) Roosevelt