User:Hawkeye7/War/Selected anniversaries/May 18

May 18

 * 1268 - The Principality of Antioch, a crusader state, falls to the Mamluk Sultan Baibars in the Battle of Antioch; Baibars' destruction of the city of Antioch was so great as to permanently negate the city's importance.
 * 1803 - Napoleonic Wars: The United Kingdom revokes the Treaty of Amiens and declares war on France.
 * 1863 - American Civil War: The Siege of Vicksburg begins, ending on July 4.
 * 1917 - World War I: The Selective Service Act passes the U.S. Congress giving the President the power of conscription.
 * 1944 - World War II: Battle of Monte Cassino - Germans evacuate Monte Cassino and Allied forces take the stronghold after a struggle that claimed 20,000 lives.