Eisenhower .
The first president to serve in both WWI and WWII was Franklin D. Roosevelt.
Eisenhower was the only president to serve in both World War I & World War II.
George H.W. Bush
No, President Woodrow Wilson served during World War I.
Harry S Truman
Kennedy served in the US Navy during World War II.
Raymond Poincaré was President of France following the First World War.
Yeomen
Andrew Jackson did not serve in the Revolutionary War. He was born in 1767, two years after the war ended. However, he did serve as a courier and was taken as a prisoner during the Revolutionary War's successor conflict, the American Revolutionary War.
President Mao
Theodore roosevelt was the 32nd president he fought in world war 1 and 2
French and Indian war