User:Hawkeye7/War/Selected anniversaries/September 20

September 20

 * 1187 - Saladin begins the Siege of Jerusalem.
 * 1854 - Battle of Alma: British and French troops defeat Russians in the Crimea.
 * 1920 - Foundation of the Spanish Legion.
 * 1939 - A German Messerschmitt Bf 109 is shot down by Fairey Battle gunner Sgt. F. Letchard during a patrol near Aachen. This is the RAF's first aerial victory of the Second World War.
 * 1940 - Genevieve Grotjan completes the decryption of the Japanese Purple code.