Skip to Content In his July 4th speech of 1918, Churchill traced the origin of political liberty and limited government to Britain's Magna Carta The American and Canadian flags fly atop the Peace Arch at the Peace Arch Border Crossing in Blaine, Wash. Canadians of goodwill toward the United States — and in the normal course of events that ought to be everyone — nevertheless come to the semiquincentennial of the Declaration of Independence from a unique point of view.