1254 battle
The Battle of Adrianople was fought in 1254 between the Byzantine Greek Empire of Nicaea and the Bulgarians. Michael Asen I of Bulgaria tried to reconquer land taken by the Empire of Nicaea, but the swift advance of Theodore II Lascaris caught the Bulgarians unprepared. The Byzantines were victorious.[1]
References
41°40′00″N 26°34′00″E / 41.6667°N 26.5667°E / 41.6667; 26.5667