Partitio terrarum imperii Romaniae

The Partitio terrarum imperii Romaniae (Latin for "Partition of the lands of the empire of Romania [i.e., the Eastern Roman or Byzantine Empire]), or Partitio regni Graeci ("Partition of the kingdom of the Greeks"), was a treaty signed among the crusaders after the sack of the Byzantine capital, Constantinople, by the Fourth Crusade in 1204.