| Dal 1236 al 1270 |
| EVENTI | CAT | STATI | ANNI |
| Rukn-ud-Din Firuz Shah is Sultan of Delhi | POL | India | 1236 |
| Yaroslav III rules as Prince of Kiev | POL | Ukraine | 1236 - 1238 |
| Parakramabahu II rules as King of Ceylon | POL | Sri Lanka | 1236 - 1270 |
| Ma'azul Shah rules as Sultan of Kedah | POL | Malaysia | 1236 - 1280 |
| Qutb al-Din al-Shirazi, astronomer, born | SCI | Persia | 1236 - 1311 |
| Kiev is destroyed during Mongolian invasion | POL | Ukraine | 1237 |
| Treaty of York defines English/Scottish boundary | TRTY | England | 1237 |
| Alawmahpyu rules over Kingdom of Arakan | POL | Burma | 1237 - 1243 |
| Thomas of Savoy is Count of Flanders | POL | Flanders | 1237 - 1244 |
| Narasimha I is ruler of the Orissa region | POL | India | 1238 - 1264 |
| Sri Indradityae rules as King of Sukhothai | POL | Thailand | 1238 - 1275 |
| Magnus VI, future King of Norway, born | POL | Norway | 1238 - 1280 |
| Adam de la Halle, composer, born | MUS | France | 1238 - 1287 |
| Salih Najm-ud-Din Ayyub rules over Damascus | POL | Syria | 1239 |
| Jaitugideva is ruler of Malwa | POL | India | 1239 - 1256 |
| Najm-ud-Din G hazi I is ruler of Mardin | POL | Iraq | 1239 - 1260 |
| Stephen V, future King of Hungary, born | POL | Hungary | 1239 - 1272 |
| Kulasekhara Pararajasekaran I is King of Jaffa | POL | Sri Lanka | 1240 - 1256 |
| Magnus III, future King of Sweden, born | POL | Sweden | 1240 - 1290 |
| King Valdemar II of Denmark dies | POL | Denmark | 1241 |
| Erik IV rules as King of Denmark | POL | Denmark | 1241 - 1250 |
| Ulrich I is Count of Wurttemberg | POL | Germany | 1241 - 1265 |
| Alexander III, future King of Scotland, born | POL | Scotland | 1241 - 1286 |
| Celestine IV is elected the 187th Catholic Pope | REL | Vatican | 1241 |
| Snorri Sturluson, poet, historian, dies | LIT | Iceland | 1241 |
| Anglo-French War, 1242 | WAR | England | 1242 - 1243 |
| 'Ala-ud-Din Mas'ud Shah is Sultan of Delhi | POL | India | 1242 - 1246 |
| Ali as-Sa'id rules over Morocco | POL | Morocco | 1242 - 1248 |
| al-Musta'sim is Caliph of Baghdad | REL | Iraq | 1242 - 1258 |
| Holy Roman Empire-Papacy War, 1243 | WAR | Holy Rom. Emp. | 1243 - 1250 |
| Conrad II (IV of Germany) rules as King of Jerusalem | POL | Palestina | 1243 - 1254 |
| Demetrius II is ruler of Thessalonica | POL | Greece | 1244 - 1246 |
| Giovanni Pisano, sculptor, born | ART | Italy | 1245 - 1320 |
| King Koloman of Bulgaria dies | POL | Bulgaria | 1246 |
| William of Dampierre is Count of Flanders | POL | Flanders | 1246 - 1251 |
| der Gartenaere:"Meier Helmbrecht" | LIT | Germany | 1246 |
| Yesu Mongke rules over Transoxania | POL | ASIA | 1247 - 1252 |
| Go-Fukakusa rules as Emperor of Japan | POL | Japan | 1247 - 1260 |
| Henry II is Count of Luxembourg | POL | Luxembourg | 1247 - 1281 |
| Gugua rules as King of Kano | POL | Nigeria | 1247 - 1290 |
| French Crusaders take garrison at Damietta | WAR | Medio Oriente | 1248 |
| Henry III is Duke of Brabant (Lower Lorraine) | POL | Belgium | 1248 - 1261 |
| Umar al-Murtada rules over Morocco | POL | Morocco | 1248 - 1266 |
| Vishnuvardhana is ruler of Singosari | POL | Indonesia | 1248 - 1268 |
| Alfonso III becomes King of Portugal | POL | Portugal | 1248 - 1279 |
| King Alexander II of Scotland dies | POL | Scotland | 1249 |
| Muazzam Turan Shah rules over Damascus | POL | Syria | 1249 - 1250 |
| Erik V, future King of Denmark, born | POL | Denmark | 1249 - 1286 |
| 7th Crusade - Battle of El Mansura is fought | WAR | Medio Oriente | 1250 |
| Conrad (IV of Germany) rules as King of Naples | POL | Italy | 1250 - 1254 |
| Uzana I rules as King of Burma | POL | Burma | 1250 - 1254 |
| David VI rules as King of Georgia | POL | Georgia | 1250 - 1269 |
| The Folkung Dynasty rules over Sweden | POL | Sweden | 1250 - 1389 |
| Leonardi Fibonacci, mathematician, dies | SCI | Italy | 1250 |
| Mengu Khan rules over the Mongols | POL | Mongolia | 1251 - 1259 |
| Munetaka rules as Shogun of Japan | POL | Japan | 1251 - 1266 |
| The Imperial Shoguns rule over Japan | POL | Japan | 1251 - 1333 |
| King Abel of Denmark is killed in battle | POL | Denmark | 1252 |
| Qara-Hulegu rules over Transoxania | POL | ASIA | 1252 |
| Alexander Nevsky rules as Prince over Russia | POL | Russia | 1252 - 1263 |
| Jaya Indravarman VI rules as King of Champa | POL | Vietnam | 1252 - 1265 |
| Alfonso X rules as King of Castile & Leon | POL | Spain | 1252 - 1284 |
| John of Halifax introduces decimal system to England | SCI | England | 1253 |
| Sorbonne University in Paris is founded | OTHER | France | 1253 |
| Narathihapate rules as King of Burma | POL | Burma | 1254 - 1287 |
| Abu-Numay Muhammad ibn Ali is Sharif of Mecca | POL | Saudi Arabia | 1254 - 1301 |
| Nasr-ud-Din rules over Sistan | POL | Persia | 1254 - 1328 |
| Chao Meng-fu, painter, born | ART | China | 1254 - 1322 |
| Sartak becomes Khan of the Golden Horde | POL | Russia | 1255 - 1256 |
| Uli rules as King of Mali | POL | Malì | 1255 - 1270 |
| Henry IV (II of Luxemburg) is Margrave of Namur | POL | Belgium | 1256 - 1263 |
| Hulegu rules over Persian Empire | POL | Persia | 1256 - 1265 |
| Floris V is Count of Holland | POL | Netherland | 1256 - 1296 |
| The Ilkhan Dynasty rules over Persia | POL | Persia | 1256 - 1353 |
| John of Halifax (Sacrobosco), mathematician, dies | SCI | England | 1256 |
| Jayabhimadeva rules as King of Nepal | POL | Nepal | 1258 - 1271 |
| Shams-ud-Din Ahmad al-Mutawakkil is Imam of San'a | POL | Yemen | 1258 - 1281 |
| David I (V of Georgia) rules as King of Imereti | POL | Georgia | 1258 - 1293 |
| Meinhard IV is Count of Tyrol | POL | Austria | 1258 - 1295 |
| St. Thomas Aquinas: "Summa Contra Gentiles" | REL | Italy | 1258 - 1260 |
| Byzantine Civil War, 1259 | WAR | Byzantium | 1259 |
| Mongols conquer Korea | WAR | Korea | 1259 |
| Thomas II rules as prince of Piedmont | POL | Italy | 1259 - 1282 |
| Abdul-Kadim rules as Sultan over Kanem-Bornu | POL | Sudan | 1259 - 1288 |
| Egypt gains control of Syria | POL | Syria | 1260 |
| Mongols invade Syria | POL | Syria | 1260 |
| Sawmungyi rules over Kingdom of Arakan | POL | Burma | 1260 - 1268 |
| Shih Tsu rules as Emperor over China | POL | China | 1260 - 1294 |
| Wu-mem Hui-k'ai, Chan master, dies | REL | China | 1260 |
| Duccio di Buoninsegna, painter, born | ART | Italy | 1260 - 1319 |
| Bulgarian-Byzantine War, 1261 | WAR | Bulgaria | 1261 - 1265 |
| Alughu rules over Transoxania | POL | ASIA | 1261 - 1266 |
| Latin Empire-Byzantine Empire War, Third | WAR | Byzantium | 1261 - 1267 |
| Henry IV is Duke of Brabant (Lower Lorraine) | POL | Belgium | 1261 - 1267 |
| Iceland comes under Norwegian rule | POL | Iceland | 1262 |
| King Hakon IV of Norway is also King of Iceland | POL | Iceland | 1262 - 1264 |
| Ladislas IV, future King of Hungary, born | POL | Hungary | 1262 - 1290 |
| Plague breaks out in Ireland in 1262 | OTHER | Ireland | 1262 |
| King Haakon IV of Norway dies | POL | Norway | 1263 |
| Treniota rules as Grand Duke of Lithuania | POL | Lithuania | 1263 - 1264 |
| Magnus VI rules as King of Norway | POL | Norway | 1263 - 1280 |
| Guy of Dampierre is Margrave of Namur | POL | Belgium | 1263 - 1297 |
| 2nd Barons' War - Battle of Northampton is fought | WAR | England | 1264 |
| Simon de Montfort (leader of Barons)taken prisoner | WAR | England | 1264 |
| 2nd Barons' War - Battle of Lewes is fought | WAR | England | 1264 |
| Vaishvilkis rules as Grand Duke of Lithuania | POL | Lithuania | 1264 - 1267 |
| Rebel barons are defeated & massacred by Royalists | WAR | England | 1265 |
| 2nd Barons' War - Battle of Axholme is fought | WAR | England | 1265 |
| Abaqa rules over Persian Empire | POL | Persia | 1265 - 1282 |
| Indravarman V rules as King of Champa | POL | Vietnam | 1265 - 1288 |
| Charles I (of Anjou) rules as King of Naples | POL | Italy | 1266 - 1285 |
| Otto III is Margrave of Brandenburg | POL | Germany | 1266 - 1308 |
| Scotus, John Duns, philosopher, born | PHIL | Scotland | 1266 - 1308 |
| John I is Duke of Brabant (Lower Lorraine) | POL | Belgium | 1267 - 1294 |
| Roger Bacon developes the camera obscura | SCI | England | 1267 |
| Suteupha rules as King of Assam | POL | India | 1268 - 1281 |
| Yekuno Amlak rules over Ethiopian Empire | POL | Ethiopia | 1268 - 1285 |
| Keizan Jokin, Buddhist Zen master, born | REL | Japan | 1268 - 1325 |
| Jayasimha II is ruler of Malwa | POL | India | 1269 - 1274 |
| Ottakar (II of Bohemia) is Count of Carinthia | POL | Austria | 1269 - 1276 |
| Vijayabahu IV rules as King of Ceylon | POL | Sri Lanka | 1270 - 1272 |
| Wati rules as King of Mali | POL | Malì | 1270 - 1274 |
| Traidenis rules as Grand Duke of Lithuania | POL | Lithuania | 1270 - 1283 |
