The 1940 Republican National Convention was held in Philadelphia, Pennsylvania, from June 24 to June 28, 1940. It nominated Wendell Willkie of New York for president and Senator Charles McNary of Oregon for vice president. The contest for the 1940 Republican presidential nomination was wide-open. Front-runners included Senator Arthur H. Vandenberg of Michigan, Senator Robert Taft of Ohio and Manhattan District Attorney Thomas E. Dewey.