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Millennium: 2nd millennium
1440 in various calendars
Gregorian calendar1440
Ab urbe condita2193
Armenian calendar889
Assyrian calendar6190
Balinese saka calendar1361–1362
Bengali calendar847
Berber calendar2390
English Regnal year18 Hen. 6 – 19 Hen. 6
Buddhist calendar1984
Burmese calendar802
Byzantine calendar6948–6949
Chinese calendar己未(Earth Goat)
4136 or 4076
    — to —
庚申年 (Metal Monkey)
4137 or 4077
Coptic calendar1156–1157
Discordian calendar2606
Ethiopian calendar1432–1433
Hebrew calendar5200–5201
Hindu calendars
 - Vikram Samvat1496–1497
 - Shaka Samvat1361–1362
 - Kali Yuga4540–4541
Holocene calendar11440
Igbo calendar440–441
Iranian calendar818–819
Islamic calendar843–844
Japanese calendarEikyō 12
Javanese calendar1355–1356
Julian calendar1440
Korean calendar3773
Minguo calendar472 before ROC
Nanakshahi calendar−28
Thai solar calendar1982–1983
Tibetan calendar阴土羊年
(female Earth-Goat)
1566 or 1185 or 413
    — to —
(male Iron-Monkey)
1567 or 1186 or 414

1440 (MCDXL) was a leap year starting on Friday of the Julian calendar, the 1440th year of the Common Era (CE) and Anno Domini (AD) designations, the 440th year of the 2nd millennium, the 40th year of the 15th century, and the 1st year of the 1440s decade. As of the start of 1440, the Gregorian calendar was 9 days ahead of the Julian calendar, which was the dominant calendar of the time.



Date unknown

  • Itzcóatl, Aztec ruler of Tenochtitlan, dies and is succeeded by Moctezuma I (Moctezuma Ilhuicamina).
  • Lorenzo Valla's De falso credita et ementita Constantini Donatione declamatio demonstrates that the Donation of Constantine is a forgery.
  • Eton College is founded by Henry VI of England.
  • Sir Richard Molyneux is appointed constable of Liverpool Castle, in England.
  • The Ming Dynasty government of China begins a decade-long series of issuing harsh edicts towards those who illegally mine silver, the latter known as 'miner bandits' (kuangzei), a trend begun in 1438. The government wants to cap the amount of silver circulating into the market, as more grain taxes are converted into silver taxes. The government establishes community night watches known as 'watches and tithings' (baojia), who ensure that illegal mining activities are brought to a halt. However, these are desperate measures, as illegal silver mining continues to thrive as a dangerous but lucrative venture.
  • Zhu Quan writes the Cha Pu ("Tea manual") in China.




  1. "Itzcóatl, "Serpiente de obsidiana" (1427–1440)" [Itzcóatl, "Obsidian Snake" (1427–1440)]. Arqueologia Mexicana (in Spanish). Retrieved June 6, 2019.CS1 maint: unrecognized language (link)