August 30, 1146 - European leaders outlawed the crossbow. It was hoped that wars would eventually end by banning the weapon.
August 30, 1682 - The founder of Pennsylvania, William Penn, sailed from England.
August 30, 1831 – Louise of Saxe-Gotha-Altenburg, mother to Prince Albert (Queen Victoria's husband), died. She had only been married to Albert's father for five years before the marriage was dissolved.
August 30, 1862 - Confederates beat the Union at the Second Battle of Bull Run.