Portugal Is Recognised as a Kingdom
On October 5, 1143, the Treaty of Zamora recognised Portugal as a kingdom under Afonso Henriques.
Ferdinand Magellan Sails from Spain to Circumnavigate the Globe
On September 20, 1519, Magellan sailed from Spain with five ships on the voyage that would become the first circumnavigation of the earth.
The Victoria Completes the First Circumnavigation of the Globe
On September 6, 1522, the Victoria returned to Spain, the first ship to circumnavigate the globe, with 18 survivors and a cargo of cloves.
Pope Paul III Approves the Society of Jesus
On September 27, 1540, Pope Paul III approved the Society of Jesus, the religious order founded by Ignatius of Loyola.
The Gregorian Calendar Takes Effect
On October 4, 1582, the last Julian calendar day ended in Catholic Europe; the next was October 15.
Nelson Wins Trafalgar and Dies
Admiral Nelson won the Battle of Trafalgar on October 21, 1805 but was killed. The victory secured British naval supremacy for a century.