1221 – Alfonso X was born in Toledo, Spain on the 23rd of November.
1246 – He married Violante of Aragon.
1249 – He married Yolanda of Hungary.
1252 – He became a Spanish monarch and ruled as the King of Galicia, Castile and Leon. He crushed a Muslim revolt.
1254 – He was elected Rex Romanorum. He crushed a revolt by nobles.
1264 – He won with Aragonese help and annexed Murcia.
1272 – He was forced to confirm local privileges by the nobles.
1273 – He founded and granted privileges to the Mesta.
1275 – He went to France to appeal to Pope Gregory X.
1284 – He died in Seville, Spain on the 4th of April.