September 06

1522 – The Victoria returns to Sanlúcar de Barrameda in Spain, the only surviving ship of Ferdinand Magellan's expedition, and the first known ship to circumnavigate the world.
1620 – The Pilgrims sail from Plymouth, England on the Mayflower to settle North America.
1803 – British scientist John Dalton begins using symbols to represent the atoms of different elements.