Gregorian calendar introduced
ScienceReligionThe Gregorian calendar takes effect in Catholic countries: Julian 4 October 1582 is followed by 15 October.
- Date
- October 15, 1582 · On this day · View on map
- Regions
- Europe
- Importance
- ★★★★★
The Gregorian calendar takes effect in Catholic countries: Julian 4 October 1582 is followed by 15 October.
The Armada sent by Philip II to invade England is defeated by the English navy at the Battle of Gravelines and scattered during its retreat.
Thousands of Huguenot Protestants are killed in Paris and other French cities during the French Wars of Religion.
Miguel López de Legazpi takes Manila and makes it the capital of the Spanish Philippines.
The fleet of the Holy League, formed by Spain, Venice and the Papacy, defeats the Ottoman navy in the Gulf of Patras.
The Kingdom of Poland and the Grand Duchy of Lithuania unite into a single federal state with a shared monarch and parliament.
The Dutch provinces revolt against Spanish rule; the war ends with Spain recognising the independence of the Dutch Republic.