Complex sentence: On 1 October two regiments from the 4th Reserve and the 8th divisions and the Fourth Army under the command of General von Gabain (17th Division) attacked Polygon Wood at in the area taken over from the Australians by X Corps.
Split into simpler sentences: On 1 October two regiments from the 4th Reserve and the 8th divisions and the Fourth Army under the command of General von Gabain (17th Division) attacked Polygon Wood. The attack began at in the area taken over from the Australians by X Corps.