sentences:  To the north, the Soviet's Operation Bagration was completing the destruction of the Axis Army Group Centre.To the south, Germany's former ally, Romania, declared war on Germany on August 25, 1944, as a result of the Yassi-Kishinev strategic offensive (August 20–29, 1944).On the eve of the Soviet East Carpathian strategic offensive (September 8–28, 1944), as Soviet forces crossed the Hungarian border, Bulgaria, too, declared war on Germany.