Complex sentence: It was fought from July 26 to August 13,1944, between Finland and the Soviet Union in area roughly 40 kilometers wide and 30 kilometers deep, near the Finnish-Soviet border, close to a small Finnish town of Ilomantsi, in North Karelia.
Split into simpler sentences: It was fought from July 26 to August 13,1944, between Finland and the Soviet Union. The battle took place in an area 40 kilometers wide and 30 kilometers deep, near the Finnish-Soviet border, close to a small Finnish town of Ilomantsi, in North Karelia.