1244. Jerusalem is stormed and sacked by the Kharesmians.

Pope Innocent IV escapes from Rome and fixes his court at Lyons.
Earliest use of the word "parliament" in England.

1245. Thirteenth general council (Lyons) convened by Pope Innocent IV; it proclaims the deposition of Frederick II. A new crusade is ordered.

End of the Babenberg dynasty in Austria.

1246. Ferdinand, assisted by the Moors of Granada, lays siege to Seville.

1247. Parma, recovered by the papal party, is besieged by Frederick II.

1248. First crusade of Louis IX of France. See "Louis IX LEADS THE LAST CRUSADE," vi, 275.

Seville is wrested from the Moors by St. Ferdinand of Leon and
Castile.

Emperor Frederick II compelled to raise the siege of Parma.

1249. Damietta is captured by the crusaders.