0 Which U.S. president introduced the New Deal programs? Franklin D. Roosevelt Harry S. Truman Dwight D. Eisenhower Herbert Hoover Play Now More questions Which mathematician introduced the concept of non-Euclidean geometry in the 19th century? Play Now Which 1969 event marked the first human landing on the Moon? Play Now Enter your email to see the answer! By subscribing to TriviaTalent you are agreeing to our Privacy Policy and Terms of Use. See Results