User:Hawkeye7/War/Selected anniversaries/March 20

March 20

 * 1815 - Napoleon enters Paris after escaping from Elba with a regular army of 140,000 and a volunteer force of around 200,000, beginning his "Hundred Days" rule.
 * 1856 - Costa Rican troops rout Walker's soldiers.
 * 1922 - The USS Langley is commissioned as the first United States Navy aircraft carrier.
 * 1942 - General Douglas MacArthur, at Terowie, South Australia, makes his famous speech regarding the fall of the Philippines, in which he says: "I came out of Bataan and I shall return".