Russian forces killed 366 Ukrainian soldiers in Ilovaisk a year ago, forcing Ukraine into humiliating concessions in Minsk, Belarus, in an agreement that brought neither peace nor an end to Russia’s war.Russia invaded Ukraine on the day before Independence Day last year, setting off a chain of events that led to Ukraine’s worst military defeat and a humiliating agreement in Minsk, Belarus, that has not brought peace or ended Russia’s war.

Four Russian tactical battalions numbering 2,000 soldiers, and columns of armored vehicles and artillery units invaded southeastern Donetsk Oblast on Aug. 23, 2014. An identical invasion force entered Luhansk Oblast over the holiday, according to a Defense Ministry report published on Aug. 20.