Ugrin Csák (archbishop of Kalocsa)
…the Destruction of the Kingdom of Hungary by the Tatars Béla IV ascended the Hungarian throne in 1235. Soon, Ugrin Csák was replaced as chancellor by Matthias Rátót. After the Emperor of Bulgaria, Ivan Asen II and the Emperor of Nicaea, John III Vatatzes, concluded an alliance against the Latin Empire and the rank…