Complex sentence: He assumed command of the 9th SS Panzer Division for a brief period stretching from June 29th to July 10th of 1944-one of the bloodiest periods for the division as they tried to stem the incoming British and Canadian soldiers bound for Caen.
Split into simpler sentences: He assumed command of the 9th SS Panzer Division for a brief period during the Second World War. His command only stretched from June 29th to July 10th of 1944-one of the bloodiest periods for the division as they tried to stem the incoming British and Canadian soldiers for Caen.