Today in World War II History—March 27, 1941

King Peter II of Yugoslavia, 1942 (Library of Congress: LC-USW33-019090-D)
80 Years Ago—Mar. 27, 1941: Military coup in Yugoslavia replaces Axis regent Prince Paul with 17-year-old King Peter II and repudiates the Tripartite Pact.
Under the Lend-Lease Act, the US signs a 99-year lease on British bases in the Western Hemisphere and approves $7 billion in aid to Britain.
US & UK sign ABC-1 Staff Agreement to prepare for potential US entry into the war and committing the US Atlantic Fleet to protecting British convoys.