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Millennium: 2nd millennium
1311 in various calendars
Gregorian calendar 1311
Ab urbe condita 2064
Armenian calendar 760
Assyrian calendar 6061
Balinese saka calendar 1232–1233
Bengali calendar 718
Berber calendar 2261
English Regnal year 4  Edw. 2   5  Edw. 2
Buddhist calendar 1855
Burmese calendar 673
Byzantine calendar 6819–6820
Chinese calendar 庚戌(Metal  Dog)
4007 or 3947
辛亥年 (Metal  Pig)
4008 or 3948
Coptic calendar 1027–1028
Discordian calendar 2477
Ethiopian calendar 1303–1304
Hebrew calendar 5071–5072
Hindu calendars
 - Vikram Samvat 1367–1368
 - Shaka Samvat 1232–1233
 - Kali Yuga 4411–4412
Holocene calendar 11311
Igbo calendar 311–312
Iranian calendar 689–690
Islamic calendar 710–711
Japanese calendar Enkyō 4 / Ōchō 1
Javanese calendar 1222–1223
Julian calendar 1311
Korean calendar 3644
Minguo calendar 601 before ROC
Nanakshahi calendar −157
Thai solar calendar 1853–1854
Tibetan calendar 阳金狗年
(male Iron-Dog)
1437 or 1056 or 284
(female Iron-Pig)
1438 or 1057 or 285

Year 1311 ( MCCCXI ) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Roman numerals Numbers in the Roman numeral system

The numeric system represented by Roman numerals 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. Roman numerals, as used today, employ seven symbols, each with a fixed integer value, as follows:

A common year starting on Friday is any non-leap year that begins on Friday, 1 January, and ends on Friday, 31 December. Its dominical letter hence is C. The most recent year of such kind was 2010 and the next one will be 2021 in the Gregorian calendar, or, likewise, 2011 and 2022 in the obsolete Julian calendar. The century year, 2100, will also be a common year starting on Friday in the Gregorian calendar. See below for more. Any common year that starts on Wednesday, Friday or Saturday has only one Friday the 13th; The only Friday the 13th in this common year occurs in August. Leap years starting on Thursday share this characteristic, but also have another one in February.

The Julian calendar, proposed by Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on 1 January 45 BC, 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 refined and gradually replaced by the Gregorian calendar, promulgated in 1582 by Pope Gregory XIII.




January 6 is the sixth day of the year in the Gregorian calendar. There are 359 days remaining until the end of the year.

King of Italy ruler who ruled part or all of the Italian Peninsula after the fall of the Western Roman Empire

King of Italy was the title given to the ruler of the Kingdom of Italy after the fall of the Western Roman Empire. The first to take the title was Odoacer, a "barbarian" military leader, in the late 5th century, followed by the Ostrogothic kings up to the mid-6th century. With the Frankish conquest of Italy in the 8th century, the Carolingians assumed the title, which was maintained by subsequent Holy Roman Emperors throughout the Middle Ages. The last Emperor to claim the title was Charles V in the 16th century. During this period, the holders of the title were crowned with the Iron Crown of Lombardy.

Milan uprising (1311)

An urprising of the Guelph faction in Milan led by Guido della Torre on 12 February 1311 was crushed by the troops of king Henry VII still on the same day.

Date unknown

Bolingbroke Castle castle in Bolingbroke, England

Bolingbroke Castle is a ruined castle in Bolingbroke Lincolnshire, England.

House of Lancaster noble family

The House of Lancaster was the name of two cadet branches of the royal House of Plantagenet. The first house was created when Henry III of England created the Earldom of Lancaster—from which the house was named—for his second son Edmund Crouchback in 1267. Edmund had already been created Earl of Leicester in 1265 and was granted the lands and privileges of Simon de Montfort, 6th Earl of Leicester, after de Montfort's death and attainder at the end of the Second Barons' War. When Edmund's son Thomas, 2nd Earl of Lancaster, inherited his father-in-law's estates and title of Earl of Lincoln he became at a stroke the most powerful nobleman in England, with lands throughout the kingdom and the ability to raise vast private armies to wield power at national and local levels. This brought him—and Henry, his younger brother—into conflict with their cousin Edward II of England, leading to Thomas's execution. Henry inherited Thomas's titles and he and his son, who was also called Henry, gave loyal service to Edward's son—Edward III of England.

Lincoln Cathedral Church in Lincolnshire, England

Lincoln Cathedral, Lincoln Minster, or the Cathedral Church of the Blessed Virgin Mary of Lincoln and sometimes St Mary's Cathedral, in Lincoln, England, is the seat of the Anglican Bishop of Lincoln. Construction commenced in 1072 and continued in several phases throughout the medieval period. Like many of the medieval cathedrals of England it was built in the Gothic style.


January 28 is the 28th day of the year in the Gregorian calendar. There are 337 days remaining until the end of the year.

Year 1312 (MCCCXII) was a leap year starting on Saturday of the Julian calendar.

Joan II of Navarre Queen of Navarre (1328-1349)

Joan II was Queen of Navarre from 1328 until her death. She was the only surviving child of Louis X of France, King of France and Navarre, and Margaret of Burgundy. Joan's paternity was dubious because her mother was involved in a scandal, but Louis X declared her his legitimate daughter before he died in 1316. However, the French lords were opposed to the idea of a female monarch and elected Louis X's brother, Philip V, king. The Navarrese noblemen also did homage to Philip. Joan's maternal grandmother, Agnes of France, Duchess of Burgundy, and uncle, Odo IV of Burgundy, made attempts to secure the counties of Champagne and Brie to Joan, but the French royal troops defeated her supporters. After Philip V married his daughter to Odo and granted him two counties as her dowry, Odo renounced Joan's claim to Champagne and Brie in exchange for a compensation in March 1318. Joan married Philip of Évreux, who was also a member of the French royal family.


January 27 is the 27th day of the year in the Gregorian calendar. There are 338 days remaining until the end of the year.

March 3 is the 62nd day of the year in the Gregorian calendar. There are 303 days remaining until the end of the year.

Antony Bek (bishop of Durham) 13th and 14th-century Bishop of Durham

Antony Bek was a bishop of Durham.

Related Research Articles

The 1310s was a decade of the Julian Calendar which began on January 1, 1310, and ended on December 31, 1319.

Year 1093 (MXCIII) was a common year starting on Saturday of the Julian calendar.

Year 1205 (MCCV) was a common year starting on Saturday of the Julian calendar.

Year 1344 (MCCCXLIV) was a leap year starting on Thursday of the Julian calendar.

Year 1387 (MCCCLXXXVII) was a common year starting on Tuesday of the Julian calendar.

Duchy of Athens

The Duchy of Athens was one of the Crusader states set up in Greece after the conquest of the Byzantine Empire during the Fourth Crusade, encompassing the regions of Attica and Boeotia, and surviving until its conquest by the Ottoman Empire in the 15th century.

Walter VI, Count of Brienne Count of Brienne

Walter VI was Count of Brienne, Conversano, and Lecce, and titular Duke of Athens as Walter II.

Walter V, Count of Brienne Franco-Greek nobleman

Walter V of Brienne was Duke of Athens from 1308 until his death. Being the only son of Hugh of Brienne and Isabella de la Roche, Walter was the sole heir to large estates in France, the Kingdom of Naples and the Peloponnese. He was held in custody in the Sicilian castle of Augusta between 1287 and 1296 or 1297 to secure the payment of his father's ransom to the Aragonese admiral, Roger of Lauria. When his father died fighting against Lauria in 1296, Walter inherited the County of Brienne in France, and the Counties of Lecce and Conversano in southern Italy. He was released, but he was captured during a Neapolitan invasion of Sicily in 1299. His second captivity lasted until the Treaty of Caltabellotta in 1302.

Isabella of Brienne (1306–1360) was suo jure Countess of Lecce and Conversano, claimant to the Duchy of Athens and Kingdom of Jerusalem, etc.

Hugh, Count of Brienne Count of Brienne

Hugh, Count of Brienne and Lecce was the second surviving son of Count Walter IV of Brienne and Marie de Lusignan of Cyprus.

Louis of Enghien titular Duke of Athens, Count of Brienne and Lord of Enghien in 1381–1394, Count of Conversano in 1356–1394. His coat-of-arms was "Enghien, a label gules bezantee".

The County of Brienne was a medieval county in France centered on Brienne-le-Château.

Roger Deslaur or Desllor, an almogàver from Roussillon in the service of Walter V of Brienne, Duke of Athens, was one of the few knights to survive the bloody Battle of Halmyros on 15 March 1311. Captured by the Catalan Company, he accepted the post of rector and marshal of the Company after Boniface of Verona declined it.

Joanna of Châtillon or Joan, French: Jeanne; was the wife of Walter V of Brienne (1305). She was Duchess of Athens by marriage (1308–1311). She was the daughter of Gaucher V de Châtillon, Constable of France and Isabelle de Dreux. Her paternal grandparents were Gaucher IV de Châtillon and Isabelle de Villehardouin. Her maternal grandparents were Robert de Dreux, Viscount of Chateaudun and Isabelle de Villebéon.

Events from the 1310s in England.

Marguerite d'Enghien, suo jure Countess of Brienne and of Conversano, suo jure Heiress of Enghien, and Lady of Beauvois, was a wealthy noblewoman from the County of Hainaut in her own right, having inherited the counties of Brienne and of Conversano, and the Lordship of Enghien from her father Louis of Enghien on 17 March 1394. She was the wife of John of Luxembourg, Sire of Beauvois and the mother of Peter of Luxembourg, Count of Saint-Pol, Count of Brienne and of Conversano who inherited her fiefs, and John II of Luxembourg, Count of Ligny.

Margaret of Bar Countess consort of Luxembourg

Margaret of Bar (1220–1275) was a daughter of Henry II of Bar and his wife Philippa of Dreux. She was Countess of Luxembourg by her marriage to Henry V of Luxembourg. She is also known as Marguerite of Bar.

Isabella de la Roche was a daughter of Guy I de la Roche. She was married twice, firstly to Geoffrey of Briel, Lord of Karytaina and then secondly to Hugh, Count of Brienne, having children only with her second husband.


  1. Lock, Peter (2013). The Routledge Companion to the Crusades. Routledge. p. 125. ISBN   9781135131371.
  2. Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 95–98. ISBN   0-7126-5616-2.
  3. "Lincoln Cathedral". Skyscraper News. 2009-08-25. Retrieved 2012-02-22.