1099 - 1st Crusaders arrive in Jerusalem
1340 - Rotterdam Netherlands founded
1692 - Earthquake in Porte Royale, Jamaica, kills 3,000
1769 - Daniel Boone begins exploring Bluegrass State of Kentucky
1800 - David Thompson reaches the mouth of the Saskatchewan River in Manitoba.
1862 - The United States and Britain agree to suppress the slave trade.
1864 - Abraham Lincoln renominated for US President by Republican Party
1971 - Soviet Soyuz 11 crew completes 1st transfer to orbiting Salyut