Battle of Mardia
{'<entity_0>': 'Battle of Mardia', '<entity_1>': 'Harmanli', '<entity_2>': 'Bulgaria', '<entity_3>': 'Thrace', '<entity_4>': '316'}
[['Battle of Mardia', 'location', 'Harmanli'], ['Battle of Mardia', 'point in time', '316'], ['Battle of Mardia', 'location', 'Thrace'], ['Battle of Mardia', 'location', 'Bulgaria']]
The <entity_0>, also known as Battle of Campus Mardiensis or Battle of Campus Ardiensis, was most likely fought at modern <entity_1> (<entity_2>) in <entity_3>, in late <entity_4>/early 317 between the forces of Roman Emperors Constantine I and Licinius.
['battle']