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|Ab urbe condita||2154|
|Balinese saka calendar||1322–1323|
|English Regnal year||2 Hen. 4 – 3 Hen. 4|
|Chinese calendar||庚辰年 (Metal Dragon)|
4097 or 4037
— to —
辛巳年 (Metal Snake)
4098 or 4038
|- Vikram Samvat||1457–1458|
|- Shaka Samvat||1322–1323|
|- Kali Yuga||4501–4502|
|Japanese calendar||Ōei 8|
|Minguo calendar||511 before ROC|
|Thai solar calendar||1943–1944|
1527 or 1146 or 374
— to —
1528 or 1147 or 375
|Wikimedia Commons has media related to 1401.|
- January 6 – Rupert, King of Germany, is crowned King of the Romans at Cologne.
- March 2 – William Sawtrey, a Lollard, is the first person to be burned at the stake at Smithfield, London.
- March 13 – The Samogitians, supported by Grand Duke Vytautas of Lithuania, rebel against the Teutonic knights and burn two castles. Vytautas is granted increased autonomy by King Jogaila of the Poland–Lithuania union.
- March 24 – Turko-Mongol emperor Timur sacks Damascus.
- October 14 – Sultan Mahmud II of Delhi is restored to power.
- The De heretico comburendo Act is passed in England, as the Archbishop of Canterbury pressures King Henry IV of England into outlawing as heretics the Lollards, followers of John Wycliffe. Evidence of being a Lollard is having a copy of Wycliffe's translation of the Bible.
- Dilawar Khan establishes the Malwa Sultanate in present-day northern India.
- Emperor Hồ Quý Ly of Dai Ngu (now Vietnam) passes the throne to his son, Hồ Hán Thương.
- A civil war, lasting four years, breaks out in the Majapahit Empire in present-day Indonesia.
- The Joseon Dynasty in present-day Korea officially enters into a tributary relationship with Ming Dynasty China.
- Japan re-enters into a tributary relationship with China.
- March 27 – Albert III, Duke of Bavaria-Munich (d. 1460)
- May 10 – Thomas Tuddenham, Landowner (d. 1462)
- May 12 – Emperor Shōkō of Japan (d. 1428)
- July 23 – Francesco I Sforza, Italian condottiero (d. 1466)
- September 14 – Maria of Castile, Queen of Aragon, Queen consort of Aragon and Naples (d. 1458)
- October 27 – Catherine of Valois, queen consort of England from 1420 until 1422 (d. 1437)
- November 26 – Henry Beaufort, 2nd Earl of Somerset (d. 1418)
- December 21 – Tommaso Masaccio, Italian painter (d. 1428)
- date unknown
- probable – Nicholas of Cusa, German philosopher, mathematician and astronomer (d. 1464)
- January 19 – Robert Bealknap, British justice
- March – William Sawtrey, English Lollard martyr (burned at the stake)
- April 8 or August 8 – Thomas de Beauchamp, 12th Earl of Warwick (b. 1338)
- May 25 – Queen Maria of Sicily (b. 1363)
- September 14 – Dobrogost of Nowy Dwór, Polish bishop (b. 1355)
- October – Anabella Drummond, queen of Scotland
- October 19 – John Charleton, 4th Baron Cherleton (b. 1362)
- October 20 – Klaus Störtebeker, German pirate
- November 25 – King Tarabya of Ava (b. 1368)
- date unknown – Andronikos Asen Zaccaria, Baron of Chalandritsa and Arcadia, Grand Constable of Achaea
- Drees, Clayton J. (2001). The Late Medieval Age of Crisis and Renewal, 1300-1500: A Biographical Dictionary. Greenwood Publishing Group. p. 428. ISBN 9780313305887.
- Breverton, Terry (2009). Owain Glyndwr: The Story of the Last Prince of Wales. Amberley Publishing Limited. p. 82. ISBN 9781445608761.
- "Francesco Sforza | duke of Milan [1401–1466]". Encyclopedia Britannica. Retrieved July 22, 2018.
- "Catherine Of Valois | French princess". Encyclopedia Britannica. Retrieved July 22, 2018.