Year
1521 (
MDXXI) was a
common year starting on Tuesday (link will display the full calendar) of the
Julian calendar.
Events of 1521
January - June
- January 3 - Pope Leo X excommunicates Martin Luther in the papal bull Decet Romanum Pontificem.
- January 22 - Emperor Charles V opens the Diet of Worms.
- January 28 - The Diet of Worms begins, lasting until May 25.
- March 6 - Ferdinand Magellan discovers Guam.
- March 16 - Ferdinand Magellan reaches the Philippines.
- April 7 - Ferdinand Magellan arrives at Cebu.
- April 16 - 18 - Martin Luther is examined before Emperor Charles V and the German Diet of Worms.
- April 24 - Revolt of the Comuneros - Battle of Villalar: Castilian royalists defeat the rebels and execute their three leaders.
- April 26 - Martin Luther leaves Worms and disappears for a year - he is rumored to be murdered, but is actually in hiding at the Wartburg Castle.
- April 27 - Magellan is killed in the Philippines.
- May - War breaks out between Charles V, Holy Roman Emperor and the King of France.
- May 17 - Edward Stafford, 3rd Duke of Buckingham, is executed for treason.
- May 20 - Battle of Pampeluna: The French defeat the Spanish.
- May 25 - The Diet of Worms ends when Charles V, Holy Roman Emperor issues the Edict of Worms, declaring Martin Luther an outlaw.
- June 29 or June 30 - The first document is fully written in Romanian: the letter of Neacşu, a trader from Câmpulung, to Johannes Benkner, the mayor of Braşov, warning that the Ottoman Empire is preparing its troops to cross into Wallachia and Transylvania; the script used is Romanian Cyrillic.
- June 30 - Battle of Esquiroz: French forces under Henri d'Albret, exiled King of Navarre, are defeated by the Spanish and forced to abandon their attempt to recover Henri's kingdom.
July - December
Undated
Births
- See also :Category: 1521 births.
Deaths
- See also :Category: 1521 deaths.