Portal:Transport/Selected anniversaries/September 6
- 1492 – Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic for the first time.
- 1522 – The Victoria, one of the surviving ships of Ferdinand Magellan's expedition, returns to Sanlúcar de Barrameda in Spain, becoming the first ship to circumnavigate the world.
- 1620 – The Pilgrims sail from Plymouth, England, on the Mayflower to settle in North America. (Old Style date; September 16 per New Style date.)
- 1983 – The Soviet Union admits to shooting down Korean Air Flight KAL-007, stating that the pilots did not know it was a civilian aircraft when it violated Soviet airspace.
- 1985 – Midwest Express Airlines Flight 105, a Douglas DC-9 crashes just after takeoff from Milwaukee, Wisconsin, killing 31.