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Millennium: 2nd millennium
1440 in various calendars
Gregorian calendar 1440
Ab urbe condita 2193
Armenian calendar 889
Assyrian calendar 6190
Balinese saka calendar 1361–1362
Bengali calendar 847
Berber calendar 2390
English Regnal year 18  Hen. 6   19  Hen. 6
Buddhist calendar 1984
Burmese calendar 802
Byzantine calendar 6948–6949
Chinese calendar 己未(Earth  Goat)
4136 or 4076
庚申年 (Metal  Monkey)
4137 or 4077
Coptic calendar 1156–1157
Discordian calendar 2606
Ethiopian calendar 1432–1433
Hebrew calendar 5200–5201
Hindu calendars
 - Vikram Samvat 1496–1497
 - Shaka Samvat 1361–1362
 - Kali Yuga 4540–4541
Holocene calendar 11440
Igbo calendar 440–441
Iranian calendar 818–819
Islamic calendar 843–844
Japanese calendar Eikyō 12
Javanese calendar 1355–1356
Julian calendar 1440
Korean calendar 3773
Minguo calendar 472 before ROC
Nanakshahi calendar −28
Thai solar calendar 1982–1983
Tibetan calendar 阴土羊年
(female Earth-Goat)
1566 or 1185 or 413
(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.

Roman numerals Numbers in the Roman numeral system

Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers in this system are represented by combinations of letters from the Latin alphabet. Modern usage employs seven symbols, each with a fixed integer value:

A leap year starting on Friday is any year with 366 days that begins on Friday 1 January and ends on Saturday 31 December. Its dominical letters hence are CB, such as the years 1808, 1836, 1864, 1892, 1904, 1932, 1960, 1988, 2016, 2044, 2072, and 2112 in the Gregorian calendar or, likewise, 2000 and 2028 in the obsolete Julian calendar. Any leap year that starts on Tuesday, Friday or Saturday has only one Friday the 13th; The only Friday the 13th in this leap year occurs in May. Common years starting on Saturday share this characteristic.

The Julian calendar, proposed by Julius Caesar in 708 AUC (46 BC/BCE), was a reform of the Roman calendar. It took effect on 1 January 709 AUC (45 BC/BCE), by edict. It was the predominant calendar in the Roman world, most of Europe, and in European settlements in the Americas and elsewhere, until it was gradually replaced by the Gregorian calendar, promulgated in 1582 by Pope Gregory XIII.




February 21 is the 52nd day of the year in the Gregorian calendar. 313 days remain until the end of the year.

Prussian Confederation

The Prussian Confederation was an organization formed on 21 February 1440 at Marienwerder by a group of 53 nobles and clergy and 19 cities in Prussia, to oppose the arbitrariness of the Teutonic Knights. It was based on the basis of an earlier similar organization, the Lizard Union established in 1397 by Chełmno Land nobles.

April 9 is the 99th day of the year in the Gregorian calendar. 266 days remain until the end of the year.

Date unknown

Tenochtitlan Former city-state in the Valley of Mexico

Tenochtitlan, also known as Mexica-Tenochtitlan, was a large Mexica city-state in what is now the center of Mexico City. The exact date of the founding of the city is unclear, but the most commonly accepted date is March 13, 1325. The city was built on an island in what was then Lake Texcoco in the Valley of Mexico. The city was the capital of the expanding Aztec Empire in the 15th century until it was captured by the Spanish in 1521.

Moctezuma I Aztec emperor

Moctezuma I, also known as Moteuczomatzin Ilhuicamina, Huehuemoteuczoma or Montezuma I, was the second Aztec emperor and fifth king of Tenochtitlan. During his reign, the Aztec Empire was consolidated, major expansion was undertaken, and Tenochtitlan started becoming the dominant partner of the Aztec Triple Alliance. Often mistaken for his popular descendant, Moctezuma II, Moctezuma I greatly contributed to the famed Aztec Empire that thrived until Spanish arrival, and he ruled over a period of peace from 1440 to 1453. Moctezuma brought social, economical, and political reform to strengthen Aztec rule, and Tenochititlan benefited from relations with other tribes.

Lorenzo Valla Italian humanist scholar

Lorenzo Valla was an Italian humanist, rhetorician, educator and Catholic priest. He is best known for his textual analysis that proved that the Donation of Constantine was a forgery.


January 22 is the 22nd day of the year in the Gregorian calendar. 343 days remain until the end of the year.

Ivan III of Russia Ruler of Russia

Ivan III Vasilyevich, also known as Ivan the Great, was a Grand Prince of Moscow and "Grand Prince of all Rus'". Sometimes referred to as the "gatherer of the Russian lands", he tripled the territory of his state, ended the dominance of the Mongols/Tatars over Russia by defeating the Golden Horde, renovated the Moscow Kremlin, and laid the foundations of the Russian state. He was one of the longest-reigning Russian rulers in history.

1505 Year

Year 1505 (MDV) was a common year starting on Wednesday of the Julian calendar.


Saint Frances of Rome AntoniazzoRomano.jpg
Saint Frances of Rome
Sigismund Kestutaitis Seal of Sigismund Kestutis.PNG
Sigismund Kęstutaitis
Giovanni Vitelleschi Giovannivitelleschi.jpg
Giovanni Vitelleschi

March 9 is the 68th day of the year in the Gregorian calendar. 297 days remain until the end of the year.

Frances of Rome Italian mystic and religious foundress

Frances of Rome, Obl.S.B., is an Italian saint who was a wife, mother, mystic, organizer of charitable services and a Benedictine oblate who founded a religious community of oblates, who share a common life without religious vows.

Year 1384 (MCCCLXXXIV) was a leap year starting on Friday of the Julian calendar.

Related Research Articles

Axayacatl 6th tlatoani of Tenochtitlan and ruler of the Aztec Triple Alliance

Axayacatl was the sixth tlatoani of the altepetl of Tenochtitlan and ruler of the Aztec Triple Alliance.

Tizoc 7th tlatoani of Tenochtitlan and ruler of the Aztec Triple Alliance

Tizocic[tiˈsosik] or TizocicatzinNahuatl pronunciation: [tisosiˈkat͡sin̥](listen) usually known in English as Tizoc, was the seventh tlatoani of Tenochtitlan. His name means, "He who makes sacrifices" or "He who does penance."

1520 Year

Year 1520 (MDXX) was a leap year starting on Sunday of the Julian calendar.

Year 1469 (MCDLXIX) was a common year starting on Sunday of the Julian calendar.

The 1440s decade ran from January 1, 1440, to December 31, 1449.

1502 Year

Year 1502 (MDII) was a common year starting on Saturday of the Julian calendar.

Year 1390 (MCCCXC) was a common year starting on Saturday of the Julian calendar.

Year 1397 (MCCCXCVII) was a common year starting on Monday of the Julian calendar.

Year 1404 (MCDIV) was a leap year starting on Tuesday of the Julian calendar.

1427 Year

Year 1427 (MCDXXVII) was a common year starting on Wednesday of the Julian calendar.

Year 1428 (MCDXXVIII) was a leap year starting on Thursday of the Julian calendar.

Itzcoatl 4th Aztec emperor

Itzcoatl (1380-1440) was the fourth king of Tenochtitlan, ruling from 1427 to 1440, the period when the Mexica threw off the domination of the Tepanecs and laid the foundations for the eventual Aztec Empire.

Chimalpopoca King of Tenochtitlan

Chimalpopoca or Chīmalpopōcatzin (1397–1427) was the third Emperor of Tenochtitlan (1417–1427).

Aztec Empire Imperial alliance of city states located in central Mexico during the 15th and 16th centuries

The Aztec Empire, or the Triple Alliance, was an alliance of three Nahua altepetl city-states: Mexico-Tenochtitlan, Texcoco, and Tlacopan. These three city-states ruled the area in and around the Valley of Mexico from 1428 until the combined forces of the Spanish conquistadores and their native allies under Hernán Cortés defeated them in 1521.

History of the Aztecs aspect of history

The Aztecs were a Pre-Columbian Mesoamerican people of central Mexico in the 14th, 15th, and 16th centuries. They called themselves Mexicah.

Stone of Motecuhzoma I

The Stone of Motecuhzoma I is a pre-Colombian stone monolith dating back to the rule of Motecuhzoma I (1440-1469), the fifth Tlaltoani (ruler) of Tenochtitlan. The monolith measures approximately 12 feet in diameter and 39 inches tall, and is also known as the Stone of Motecuhzoma Ilhuicamina, the Cuauhxicalli of Motecuhzoma Ilhuicamina, the Archbishop's Stone, the Ex-Arzobispado Stone, and the Sánchez-Nava Monolith. Historical sources refer to it simply as "temalácatl," literally meaning "round stone."

Tlacochcalcatl Aztec military rank

Tlacochcalcatl was an Aztec military title or rank; roughly equivalent to the modern title of General. In Aztec warfare the tlacochcalcatl was second in command only to the tlatoani and he usually lead the Aztec army into battle when the ruler was otherwise occupied. Together with the tlacateccatl (general), he was in charge of the Aztec army and undertook all military decisions and planning once the tlatoani had decided to undertake a campaign.


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