Donbass Operation
{'<entity_0>': 'Donbass Operation', '<entity_1>': 'Russian Civil War', '<entity_2>': 'Donbas'}
[['Donbass Operation', 'location', 'Donbas'], ['Donbass Operation', 'part of', 'Russian Civil War']]
The <entity_0> was a military campaign of the <entity_1> between December 18-31, 1919, in which the Southern Front of the Red Army conquered the <entity_2> region from the Volunteer Army and part of the Don Army.
['battle']