This line goes back a few generations into the 1000's.

Historical
1261: Turkey - Byzantines recapture Constantinople from Crusaders
1262: Norway, Iceland, Greenland - King Haakon IV of Norway annexes Iceland and Greenland to end a civil war in Iceland
1263: Scotland, Norway - Norsemen ejected from Scotland
1265: England - Edward I (Longshanks) defeats Barons at Evesham in the Barons War (1264-67)
1266: Italy, Turkey, Bulgaria - Venetians Niccolo Polo and brother Maffeo Polo make trade expedition to Constantinople, and then east to Bolgara and then Sarai, in the Kingdom of Barka Khan, after a year, their return blocked by war between Barka Khan and Hulagu Khan, the Polo brothers journey east to the capital Kaifeng and see Kublai Khan, three years later they returned to Venice
1267: China - Kublai Khan begins construction of new capital at Peking
1270-1270: Tunisia - French king Louis IX dies in Tunisia while on the Eighth Crusade (of nine), during his reign he Increased both the authority of the king and the judicial system
1271-1272: Egypt - Ninth Crusade (of nine), future Edward I of England undertook another expedition against Baibars/Baybars in 1271, after having accompanied Louis on the Eighth Crusade, the Ninth Crusade is a failure and ends the Crusades in the Middle East
1271: China - Kublai Khan formally creates the Yuan dynasty of China
1271: Italy, China - Marco Polo leaves for China with his father Niccolo, they arrive in the court of the Great Khan
1273: Italy - The last Emperor of the Holy Roman Empire dies and the Hapsburg Dynasty is established with the new Emperor Rudolf I of the Hapsburgs who five years later gain control over Austria, the Hapsburgs last until 1918
1274: Mongolia, Japan - Mongols unsuccessfully attempt to Invade Japan
1275: China - The Polos arrive at Cambuluc (Peking)
1279: Mongolia, China - Mongols under Kublai Khan defeat Sung dynasty of China
1280: China - Kublia Khan, grandson of Genghis Khan, founds the Yuan dynasty in China and makes Peking his capital, he is the first non-Chinese to rule China, his empire stretches from China to Arabia to eastern Europe and is the largest the world has ever known
1281: Japan, China - The waiting Japanese troops repel a Chinese at Hakozaki Bay then a typhoon (Kamikaze or "Divine Wind") destroys the Mongol fleet of Kublia Khan
1282: Danish - nobility forced Eric V to sign a Danish "Magna Carta" which establishes a Danish parliament