Bulgaria Marks 810 Years since Victory over Latin Empire Knights of Fourth Crusade in Battle of Adrianople
Bulgaria marks on Tuesday, April 14, 2015, the 810th anniversary since its major victory in the Battle of Adrianople in which the Second Bulgarian Empire (1185-1396 AD) under Tsar Kaloyan (r. 1197-1207) routed the knights from the Fourth Crusade of…
