Year 1299 (MCCXCIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.
February 24 – Alauddin Khilji, sultan of Delhi, sends his generals Ulugh Khan and Nusrat Khan to conquer Gujarat.
May 10 – Kyawswa of Pagan and Crown Prince Theingapati are executed at Myinsaing by the three brothers of the Myinsaing Kingdom (nominally Kyawswa's viceroys) as traitors for submitting to the Mongol Empire.
July 27 – Osman I declares his Anatolian beylik (principality) to be independent of the Seljuq dynasty Sultanate of Rum, originating the Ottoman Empire which will last until the 1920s.
A Mongol khan launches a campaign into India with 200,000 men, but Alauddin Khilji, sultan of Delhi, defeats them.
Founding of the Kingdom of Singapura by a fleeing Srivijayan prince which will last for almost 100 years.
April – Scots take Stirling Castle from the English after a siege.
April 1 – Kings Towne on the River Hull (Kingston upon Hull) is granted city status by Royal Charter of King Edward I of England.
July 31 – Pisa and Genoa agree to a thirty year truce. Part of the treaty includes the end of the Pisan support to Genoa's enemies, in particular Sinucello della Rocca in Corsica.
November 1 – Håkon V Magnusson becomes king of Norway.
December 1 – Battle of Falconaria: Frederick II of Sicily defeats Philip I of Taranto.
The House of Holland becomes extinct. The County of Holland becomes part of a personal union with the County of Hainaut.
A serious fire occurs at Westminster Palace.
Early evidence of the king of England borrowing from the Italian merchants. Edward I obtains a loan of 2,000 pollard marks from the agents of the Frescobaldi firm in London.
The city of Florence bans the use of Arabic numerals for commerce, allowing only Roman numerals.
date unknown
Alfonso IV of Aragon (d. 1366)
Pierre Bertrand de Colombier, French cardinal and diplomat (d. 1361)
Dmitri of Tver, Grand Prince of Vladimir (d. 1326)
Maria of Aragon, princess of Aragon (d. 1316)
probable
Ranulf Higdon, English chronicler (d. c. 1363)
Malatesta II Malatesta, Italian condottiero (d. 1364)
Nicholas of Autrecourt, French philosopher and theologian (d. 1369)
May 10
Kyawswa of Pagan, deposed ruler of the Pagan Kingdom (born 1260)
Theingapati, heir to the Pagan Kingdom
May 17 – Daumantas of Pskov, Lithuanian prince (b. c. 1240)
July 15 – King Eric II of Norway (b. c. 1268)
August 1 – Conrad de Lichtenberg, Bishop of Strasbourg (b. 1240)
November 10 – John I, Count of Holland (b. 1284)
November 13 – Oliver Sutton, Bishop of Lincoln
December 9 – Bohemond I, Archbishop of Trier
December 31 – Margaret, Countess of Anjou (b. 1273)
date unknown
John Giffard, English baron (b. 1232)
Gottfried Hagen, German chronicler (b. 1230)
Nogai Khan, ruler of the Golden Horde
Zafar Khan, Indian military leader
Yakut al-Mustasim, Turkish secretary of the last Abbasid caliph
1299 Wikipedia (Text) CC BY-SA