1521

This article is about the year 1521.

Millennium:	2nd millennium
Centuries:	15th century – 16th century – 17th century
Decades:	1490s  1500s  1510s  – 1520s –  1530s  1540s  1550s
Years:	1518 1519 1520 – 1521 – 1522 1523 1524

1521 by topic
Arts and science
Architecture Art Literature Music Science
Lists of leaders
Colonial governors State leaders
Birth and death categories
Births Deaths
Establishments and disestablishments categories
Establishments Disestablishments
Works category
Works

1521 in other calendars

Gregorian calendar	1521 MDXXI
Ab urbe condita	2274
Armenian calendar	970 ԹՎ ՋՀ
Assyrian calendar	6271
Bahá'í calendar	-323–-322
Bengali calendar	928
Berber calendar	2471
English Regnal year	12 Hen. 8 – 13 Hen. 8
Buddhist calendar	2065
Burmese calendar	883
Byzantine calendar	7029–7030
Chinese calendar	庚辰年十一月廿三日 (4157/4217-11-23) — to — 辛巳年十二月初三日 (4158/4218-12-3)
Coptic calendar	1237–1238
Ethiopian calendar	1513–1514
Hebrew calendar	5281–5282
Hindu calendars
- Vikram Samvat	1577–1578
- Shaka Samvat	1443–1444
- Kali Yuga	4622–4623
Holocene calendar	11521
Igbo calendar
- Ǹrí Ìgbò	521–522
Iranian calendar	899–900
Islamic calendar	927–928
Japanese calendar	Eishō 18Daiei 1 (大永元年)
Juche calendar	N/A (before 1912)
Julian calendar	1521    MDXXI
Korean calendar	3854
Minguo calendar	391 before ROC 民前391年
Thai solar calendar	2064

March–April: Ferdinand Magellan's voyage around the world.

May 25: Martin Luther outlawed.

Neacşu's Letter, the oldest surviving document written in Romanian has the oldest appearance of the word "Rumanian"

Year 1521 (MDXXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Events

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 27 – Suleiman the Magnificent suppresses a revolt by the ruler of Damascus.
• 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–April 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, in the Battle of Mactan.
• May – War breaks out between Charles V, Holy Roman Emperor and Francis I, 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.
• May 27 – Jiajing Emperor ascends the throne of the Ming Dynasty.
• 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

• August 8 – Battle of Tenochtitlan: Hernán Cortés and allied local Indians defeat the Aztec forces of Cuauhtémoc, the last Aztec Emperor.
• August 13 – Emperor Cuauhtémoc surrenders to Hernán Cortés.
• August 23 – Christian II of Denmark is deposed as king of Sweden and Gustav Vasa is elected regent.
• August 29 – Belgrade is captured by the Ottoman army of Suleiman the Magnificent.
• November 23 – Spanish–German–Papal forces under Prosper Colonna force French Marshal Odet de Lautrec to abandon Milan.

Date unknown

• Jacopo Berengario da Carpi publishes Commentaria cum amplissimus additionibus super anatomiam Mundini in Bologna, including observation of the vermiform appendix.
• San Juan Bautista is founded in the Puerto Rican archipelago.
• Ryazan is annexed by Moscow.
• Student rebellion in Erfurt.

Births

• March 21 – Maurice, Elector of Saxony (d. 1553)
• May 8 – Petrus Canisius, Dutch Jesuit (d. 1597)
• August 4 – Pope Urban VII (d. 1590)
• October 9 – Ottavio Farnese, Duke of Parma (d. 1586)
• December 1 – Takeda Shingen, Japanese warlord (d. 1573)
• December 13 – Pope Sixtus V (d. 1590)
• date unknown
  • Anne Askew, English Protestant martyr (d. 1546)
  • John Aylmer, English divine (d. 1594)
  • Thomas Chaloner, English statesman and poet (d. 1565)
  • Philippe de Monte, Flemish composer (d. 1603)
  • Thomas Wyatt the younger, English rebel (d. 1554)
• possible
  • Catherine Howard, Fifth Queen of Henry VIII of England, (born in between 1518 and 1524; d. 1542)

Deaths

• April 20 – Zhengde Emperor of China (b. 1491)
• April 25 – Juan López de Padilla, Juan Bravo and Francisco Maldonado, executed Spanish rebels
• April 27 – Ferdinand Magellan, Portuguese explorer (b. c. 1480)
• May 10 – Sebastian Brant, German humanist and satirist (b. 1457)
• May 17 – Edward Stafford, 3rd Duke of Buckingham (executed) (b. 1478)
• June 15 – Tamás Bakócz, Hungarian Catholic cardinal and statesman (b. 1442)
• June 21 – Leonardo Loredan, Doge of Venice (b. 1436)
• July – Juan Ponce de León, Spanish conquistador (b. 1460)
• August 27 – Josquin Des Prez, Flemish composer (b. c. 1450)
• October – Edward Poyning, Lord Deputy to King Henry VII of England (b. 1459)
• December 1 – Pope Leo X (b. 1475)
• December 13 – King Manuel I of Portugal (b. 1469)