Tsar Constantine Tikh of Bulgaria (ruled 1257-1277) took the throne of Bulgaria after the assasination of Michael II Asen of Bulgaria in 1256. Events La Sorbonne, the famous university in Paris, is founded Eutin in Schleswig-Holstein is given its city rights Henry III of England orders the production of a coinage of pure gold location of city Cracow Births Sancho IV king of Castile and León Deaths Pho Khun Si Indrathit... Events The philosophical doctrine Averroism is banned from Paris by bishop Etienne Tempier Burmas Pagan empire begins to disintegrate after being defeated by Kublai Khan at Ngasaungsyan, near the Chinese border. ... assassin, see Assassin (disambiguation) Jack Ruby assassinated Lee Harvey Oswald in a very public manner. ... Michael II Asen of Bulgaria was the son of Tsar Ivan Asen II and his third wife Irina of Epir. ...

His rule was rather unsuccesful. He was defeated by the Byzantine Empire in 1263, which led to Bulgaria losing the southern Black Sea littoral. Mentally broken by the defeat, Constantine Tikh retired in the Turnovo castle, leaving state affairs in dismay. The Byzantine Empire is the term conventionally used to describe the Greek-speaking Roman Empire during the Middle Ages, centred at its capital in Constantinople. ... Events Detmold, Germany was founded. ... Map of the Black Sea. ... Categories: Bulgaria geography stubs | Regions of Bulgaria ...

The kingdom suffered badly from the raids of the Tartars, which ultimately led to a popular uprising, led by Ivailo. Tatars or Tartars is a collective name applied to the Turkic-speaking people of Europe and Asia. ... Ivailo was a Bulgarian tsar from 1277 to 1280. ...