|Ab urbe condita||2238|
|Balinese saka calendar||1406–1407|
|English Regnal year||2 Ric. 3 – 1 Hen. 7|
|Chinese calendar||甲辰年 (Wood Dragon)|
4181 or 4121
— to —
乙巳年 (Wood Snake)
4182 or 4122
|- Vikram Samvat||1541–1542|
|- Shaka Samvat||1406–1407|
|- Kali Yuga||4585–4586|
|Japanese calendar||Bunmei 17|
|Minguo calendar||427 before ROC|
|Thai solar calendar||2027–2028|
1611 or 1230 or 458
— to —
1612 or 1231 or 459
|Wikimedia Commons has media related to 1485.|
- Spring – Multiple earthquakes occur near Taishan, China.
- March 16 – A solar eclipse crosses northern South America and Central Europe.
- June 1 – Matthias of Hungary takes Vienna, in his conquest of Austria (from Frederick III), and makes the city his capital.
- August 5–August 7 – The first outbreak of sweating sickness in England begins.
- August 22 – Battle of Bosworth: King Richard III of England is defeated by (rival claimant to the throne of England) Henry Tudor, Earl of Richmond; Richard dies in battle, and Henry Tudor becomes King Henry VII of England, although Henry marked this battle as August 21 so that he could declare all his opponents traitors.
- September 12 – Muscovian forces conquer Tver.
- September 15 – Peter Arbues is assaulted while praying in the cathedral at Zaragoza, Spain; he dies on September 17. He had been appointed Inquisitor of Aragon by the Inquisitor General, Tomás de Torquemada, in the campaign against heresy and crypto-Judaism.
- October 30 – King Henry VII of England is crowned.
- November 2 – The Peace of Bourges stops the Mad War.
- Leon Battista Alberti's De Re Aedificatoria (written 1443–52 and published posthumously) becomes the first printed work on architecture.
- From about this date, Leonardo da Vinci produces a number of designs for flying machines, including the aerial screw or helicopter (probably unworkable).
- March 10 – Sophie of Brandenburg-Ansbach-Kulmbach, German princess (d. 1537)
- April 26 – Sibylle of Baden, Countess consort of Hanau-Lichtenberg (d. 1518)
- June 20 – Astorre III Manfredi, Italian noble (d. 1502)
- June 24
- July 20 – Giovanni Battista Ramusio, Italian geographer (d. 1557)
- August 22 – Beatus Rhenanus, German humanist and religious reformer (d. 1547)
- September 14 – Anna of Mecklenburg-Schwerin, Mecklenburgian royal (d. 1525)
- October 1 – Johannes Dantiscus, Polish poet and bishop (d. 1548)
- October 8 – Antonio Pucci, Italian Catholic cardinal (d. 1544)
- November 30 – Veronica Gambara, Italian poet and stateswoman (d. 1550)
- December 16 – Catherine of Aragon, first queen of Henry VIII of England, and daughter of Ferdinand II of Aragon and Isabella I of Castile (d. 1536)
- date unknown
- Hugh Aston, English composer (d. 1558)
- Thomas Cromwell, 1st Earl of Essex, English statesman (d. 1540)
- Clément Janequin, French chanson composer
- Sayyida al Hurra, Moroccan pirate queen
- Sebastiano del Piombo, Italian painter (d. 1547)
- John Russell, 1st Earl of Bedford, English royal minister (d. 1555)
- January 20 – Eustochia Smeralda Calafato, Italian saint (b. 1434)
- February 28 – Niclas, Graf von Abensberg, German soldier (b. 1441)
- March 16 – Anne Neville, queen of Richard III of England (b. 1456)
- August 7 – Alexander Stewart, 1st Duke of Albany, Scottish prince (b. c. 1454)
- August 15 – Albert II, Duke of Brunswick-Grubenhagen (b. 1419)
- August 22 (killed in the Battle of Bosworth Field):
- King Richard III of England (b. 1452)
- John Howard, 1st Duke of Norfolk (b. 1430)
- James Harrington, Yorkist knight
- Richard Ratcliffe, supporter of Richard III
- John Babington, High Sheriff of Nottinghamshire, Derbyshire and the Royal Forests
- Robert Brackenbury, English nobleman, courtier and supporter of Richard III
- Walter Devereux, 7th Baron Ferrers of Chartley, supporter of Richard III
- William Brandon, supporter of Henry VII (b. 1426)
- August 25 – William Catesby, supporter of Richard III (executed) (b. 1450)
- October 17 – John Scott of Scott's Hall, Warden of the Cinque Ports
- October 27 – Rodolphus Agricola, Dutch scholar (b. 1443)
- November 4 – Françoise d'Amboise, Duchess of Brittany (b. 1427)
- Date unknown – Kristina Königsmarck, Swedish noblewoman.