Crusade in Europe is a book by Dwight David Eisenhower, published in 1948, and concerning his work in the European Theater of Operations as Supreme Allied Commander. Dwight David Ike Eisenhower (October 14, 1890–March 28, 1969), American soldier and politician, was the 34th President of the United States (1953–1961) and supreme commander of the Allied forces in Europe during World War II, with the rank of General of the Army. ... The European Theater of Operations, or ETO, was the term used by the United States in World War II to refer to most United States military activity in Europe north of the Mediterranean coast. ...