1865 - The naval Battle of Riachuelo in the War of the Triple Alliance is fought, with Brazil defeating Paraguay. This battle is important in the Triple Alliance defeating Paraguay in the war.
1964 – Retired World War II veteran Walter Seifert, on his 42nd birthday, runs amok in a Cologne school, killing at least 8 children and two teachers and injures many more with a flame thrower and a lance. He poisons himself and dies the next day.