Baldwin I of the Latin Empire

Type Figure Region Constantinople Time 1175–1205 Also known as Baldwin I、Baldwin of Hainaut

Count of Flanders and crusader leader, he was elected emperor of the Latin Empire after the Fourth Crusade took Constantinople in 1204, ruling until …

Timeline

1194–1204Flanders · FlandersAfter inheriting the lands of Flanders he took part in preparations for the Fourth Crusade, allied with Venice, and led his forces eastward.
1204–1205Constantinople · ConstantinopleElected emperor after the crusaders captured Constantinople, crowned in Hagia Sophia, he tried to integrate the Greek Orthodox world with Latin feudal order and granted fiefs to his lords.
1205Adrianople · AdrianopleLeading an army against the Bulgarian tsar Kaloyan, he was defeated and captured near Adrianople, dying soon after in captivity; the throne passed to his brother Henry.

Sources

Baldwin I, Latin Emperor https://www.britannica.com/biography/Baldwin-I-Latin-emperor
The Oxford Dictionary of Byzantium — Alexander Kazhdan (ed.) (1991)