== Brief history ==
Constantine was the son of Emperor Manuel II. He was trained as a soldier and in 1441 conquered the Morea Peninsula of Greece. It had long been under the Frankish principality of '''Achaia''' <ref> '''Achaia''': A state established by the Crusaders. </ref> Constantine was crowned Emperor [[january 6]], 1449 AD succeeding his brother and a little less than five years in 1453 AD was killed during the final assaults by the Turkish Sultan, Mehmed II, advances on Constantinople.
== See also ==