The 13th century
4,142 sourced entries across 100 documented years, grouped into 10 decades. A century here runs 1900–1999 rather than 1901–2000, so its decades sit inside it exactly; on the BC side the same rule puts 1–99 BC in the 1st century BC and 100 BC in the 2nd.
Decades
- The 1200s — 10 years, 405 entries
- The 1210s — 10 years, 464 entries
- The 1220s — 10 years, 456 entries
- The 1230s — 10 years, 367 entries
- The 1240s — 10 years, 408 entries
- The 1250s — 10 years, 393 entries
- The 1260s — 10 years, 396 entries
- The 1270s — 10 years, 439 entries
- The 1280s — 10 years, 428 entries
- The 1290s — 10 years, 386 entries
By subject
- Conflict & Security in the 13th century — 639 entries
- Religion & Belief in the 13th century — 380 entries
- Geopolitics & Diplomacy in the 13th century — 189 entries
- Culture & Society in the 13th century — 150 entries
- Exploration & Expansion in the 13th century — 71 entries
- Technology & Infrastructure in the 13th century — 49 entries
- Economy & Finance in the 13th century — 46 entries
- Crime & Justice in the 13th century — 38 entries
- Climate & Environment in the 13th century — 25 entries
- Science & Discovery in the 13th century — 21 entries
- Health & Medicine in the 13th century — 20 entries
- Disasters & Accidents in the 13th century — 8 entries
A few of the years
- 1200February 17 – Al-Adil I, Ayyubid ruler of Damascus, Jerusalem, and parts of the Jazira takes control of Egypt, and is recognized as sultan of the Ayyubid Empire. During his reign, he promotes trade and good relations with the Crusader States. His son Al-Kamil becomes the effective ruler (viceroy) of Egypt.
- 1212May 4 – The Treaty of Lambeth (also called Treaty of Kingston) is signed by King John of England and several French counts, including Renaud I of Dammartin and Boulogne and Ferdinand of Flanders.
- 1224April 23 – William Marshal, 2nd Earl of Pembroke, one of the enforcers of the Magna Carta, marries Eleanor of England, Countess of Leicester, the nine-year-old daughter of the late King John of England and sister of King Henry III, in order to strengthen the Marshal family's connection with the House of Plantagenet.
- 1236January 14 – King Henry III marries the 14-year-old Eleanor of Provence, one of the four daughters of Raimond Berenguer, count of Provence. The ceremony takes place at Canterbury Cathedral, with Simon de Montfort, as Lord High Steward, takes care of the banquet and kitchen arrangements. Eleanor is crowned queen at Westminster Abbey shortly afterward.
- 1248August 12 – King Louis IX of France ("the Saint") leaves Paris together with his wife, Queen Margaret of Provence, and her sister Beatrice of Provence. Two of Louis' brothers, Charles of Anjou and Robert of Artois, are also present. He is followed by his cousins, Hugh IV of Burgundy and Peter Mauclerc, both are veterans of the Barons' Crusade.
- 1260May 21 – Kublai sends his envoy Hao Jing to negotiate with Song dynasty Chancellor Jia Sidao, after the small force left by Kublai south of the Yangtze River is destroyed, by a Chinese army of the Southern Song dynasty. Chancellor Jia Sidao imprisons the entire embassy of Kublai. This slight will not be forgotten by Kublai, but he is unable to assault the Song, due to the civil war with his rival brother Ariq Böke.
- 1272February – Charles I of Anjou, king of Sicily, occupies the city of Durrës, and establishes the Angevin Kingdom of Albania. A delegation of Albanian nobles and citizens from Durrës make their way to Charles' court.
- 1284March 3 – Statute of Rhuddlan: King Edward I of England brings Wales under direct rule after the Welsh Wars (1277–1283). He appoints sheriffs and bailiffs for the northern territories while the southern areas are left under the control of the Marcher Lords. English law is introduced in criminal cases, though the Welsh are allowed to maintain their customary laws in some cases of property disputes. He arranges a Round Table (tournament) at Nefyn in Wales and promises the Welsh that he will provide them with a Prince of Wales. On April 25, his son, the future Edward II of England, is born at Caernarfon Castle in Wales.