
An exchange (March 4, 1946) with Harry S. Truman aboard the Presidential train in Washington, D.C.'s Union Station before journeying to Fulton, Missouri; as quoted in "The Genius and Wit of Winston Churchill" http://www.winstonchurchill.org/i4a/pages/index.cfm?pageid=825 by Robin Lawson.
Post-war years (1945–1955)