After the death of his uncle Kaloyan in 1207, Ivan Asens cousin, Boril, usurped the throne and forced him to flee to the Russian principality of Galicia-Volhynia
Bulgaria · House / House of Asen. Chronological records rendered directly from the World History Database.
After the death of his uncle Kaloyan in 1207, Ivan Asens cousin, Boril, usurped the throne and forced him to flee to the Russian principality of Galicia-Volhynia
The return of Andrew II of Hungary from the 5th Crusade in 1218 provides an opportunity to establish a marriage alliance and to obtain (probably in 1221) the return of the disputed territories around Belgrade on the Danube as th
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