From Infogalactic: the planetary knowledge core
|Centuries:||15th century – 16th century – 17th century|
|Decades:||1490s 1500s 1510s – 1520s – 1530s 1540s 1550s|
|Years:||1522 1523 1524 – 1525 – 1526 1527 1528|
|1525 by topic|
|Arts and science|
|Lists of leaders|
|Birth and death categories|
|Establishments and disestablishments categories|
|Ab urbe condita||2278|
|English Regnal year||16 Hen. 8 – 17 Hen. 8|
|Chinese calendar||甲申年 (Wood Monkey)
4221 or 4161
— to —
乙酉年 (Wood Rooster)
4222 or 4162
|- Vikram Samvat||1581–1582|
|- Shaka Samvat||1447–1448|
|- Kali Yuga||4626–4627|
|Japanese calendar||Daiei 5
|Minguo calendar||387 before ROC
|Thai solar calendar||2067–2068|
|Wikimedia Commons has media related to 1525.|
- January 21 – The Swiss Anabaptist Movement is born when Conrad Grebel, Felix Manz, George Blaurock, and about a dozen others baptize each other in the home of Manz's mother on Neustadt-Gasse, Zürich, breaking a thousand-year tradition of church-state union.
- February 24 – Battle of Pavia: Spanish forces under Charles de Lannoy and the Marquis of Pescara defeat the French army and capture Francis I of France, after his horse is wounded by Cesare Hercolani.
- February 28 – The last Aztec Emperor, Cuauhtémoc, is killed by Hernán Cortéz.
- March 20 – In the German town Memmingen the pamphlet The Twelve Articles: The Just and Fundamental Articles of All the Peasantry and Tenants of Spiritual and Temporal Powers by Whom They Think Themselves Oppressed is published , the first human rights related document written in Europe.
- April 10 – Albert of Prussia commits Prussian Homage.
- May 15 – Insurgent peasants led by radical pastor Thomas Muentzer were defeated at the Battle of Frankenhausen, ending the German Peasants' War in the Holy Roman Empire.
- June 13 – Martin Luther marries ex-nun Katharina von Bora. The painter Lucas Cranach the Elder is one of the witnesses.
- June 16 – Henry VIII of England appoints his illegitimate son Henry Fitzroy Duke of Richmond and Somerset.
- July 29 – Santa Marta, the first city in Colombia, is founded by Spanish conqueror Rodrigo de Bastidas.
- European-brought diseases sweep through the Andes, killing thousands, including the Inca.
- Mixco Viejo, capital of the Pocomam Maya State, falls to the Spanish Conquistadores of Pedro de Alvarado in what is now Guatemala after a 3-month siege.
- The Bubonic Plague spreads in southern France.
- The New Testament is translated into English by William Tyndale.
- The first French ambassador arrives in Istanbul.
- The Chinese Ministry of War under the Ming Dynasty orders ships having more than one mast sailing along the southeast coast to be seized, investigated, and destroyed; this in an effort to curb piracy and limit private commercial trade abroad.
- Over 75,000 peasants are killed in Germany.
- Francis I of France and Suleiman I strike an alliance against Habsburg Empire.
- Age of Samael ends and the Age of Gabriel starts according to Johannes Trithemius.
- The word "spatula" is first used in English.
- January 6 – Caspar Peucer, German reformer (d. 1602)
- January 29 – Lelio Sozzini, Italian Renaissance humanist and anti-Trinitarian reformer (d. 1562)
- February 5 – Juraj Drašković, Croatian Catholic cardinal (d. 1587)
- March 19 – Caspar Cruciger the Younger, German theologian (d. 1597)
- March 25 Richard Edwardes, English choral musician, playwright and poet (d. 1566)
- March 26 – Katharina of Hanau, Countess of Wied, German noblewoman (d. 1581)
- June 29 – Peter Agricola, German Renaissance humanist, educator, classical scholar, theologian, diplomat and statesman (d. 1585)
- September 1 – Christoffer Valkendorff, Danish politician (d. 1601)
- September 11 – John George, Elector of Brandenburg (d. 1598)
- September 25 – Steven Borough, English explorer (d. 1584)
- October 1 – Tadeáš Hájek, Czech physician and astronomer (d. 1600)
- November 7 – Georg Cracow, German lawyer and politician (d. 1575)
- December 1 – Tadeáš Hájek, Czech astronomer (d. 1600)
- December 23 – John Albert I, Duke of Mecklenburg (d. 1576)
- date unknown
- January 24 – Franciabigio, Florentine painter (b. 1482)
- February 24 (in action at the Battle of Pavia)
- February 28 – Cuauhtémoc, last Aztec ruler (executed) (b. c. 1502)
- May 5 – Frederick III, Elector of Saxony (b. 1463)
- May 27 – Thomas Müntzer, German pastor and rebel leader (b. 1489) (executed)
- July 22 – Richard Wingfield, English diplomat (b. c. 1456)
- November 17 – Leonor of Viseu, queen of João II of Portugal (b. 1458)
- December 30 – Jakob Fugger, German banker (b. 1459)
- date unknown – Nicholas Storch, weaver and reformer
- probable – Jean Lemaire de Belges, Walloon poet and historian (b. 1473)