Daily Medieval

King Alfonso IX of León (1171 - 1230) may be noted for calling the Three Estates together to advise him—the first such gathering in Western...

John of Brienne may have been intended for the monastery by his father, but circumstances turned him into a far busier player in the politic...

John of Brienne never expected to be a king, or even a lord. He was born about 1170 to Count Erard II of Brienne and Agnes of Montfaucon, a ...

Isabella II was the daughter of John of Brienne and Maria of Montferrat. Maria (1192 - 1212) was the daughter of Isabella I, Queen of Jerusa...

When Pope Gregory IX started what came to be called the War of the Keys , he thought he was secure because his target was the Holy Roman Em...

The War of the Keys was called that because of the image of crossed keys (keys to the Kingdom of Heaven) on the papal flag. The war was betw...