1588 - Battle of Gravelines ends - Defeated by the English during an invasion attempt, the surviving parts of the Spanish Armada begin to sail home. Only 67 of the original 130 ships will later reach Spain and most of these will be in poor condition.
1918 - World War I: Battle of Amiens - Canadian troops, backed by Australians, begin a string of almost continuous victories with a push through the German front lines. German General Erich Ludendorff will later call this the "black day of the German army."
1929 - The German airship Graf Zeppelin begins a round-the-world flight (will end on August 29).
1945 - World War II - The Soviet Union declares war on Japan and invades Manchuria with more than 1 million troops. This action prompts Emperor Hirohito to plead with the war council to reconsider surrender.