Which of these wartime leaders was born first?

Sir Winston Leonard Spencer-Churchill (30 November 1874 – 24 January 1965) was a British statesman who was the Prime Minister of the United Kingdom from 1940 to 1945 and again from 1951 to 1955. Churchill was also an officer in the British Army, a non-academic historian, and a writer (as Winston S. Churchill). He won the Nobel Prize in Literature in 1953 for his overall, lifetime body of work.

Joseph Vissarionovich Stalin ( 18 December 1878 – 5 March 1953) was the leader of the Soviet Union from the mid-1920s until his death in 1953. Holding the post of the General Secretary of the Central Committee of the Communist Party of the Soviet Union, he was effectively the dictator of the state.

Franklin Delano Roosevelt (January 30, 1882 – April 12, 1945), commonly known as FDR, was an American statesman and political leader who served as the 32nd President of the United States from 1933 until his death in 1945.

Benito Amilcare Andrea Mussolini (29 July 1883 – 28 April 1945) was an Italian politician, journalist, and leader of the National Fascist Party (Partito Nazionale Fascista; PNF), ruling the country as Prime Minister from 1922 to 1943.