Complex sentence: Artillery began a systematic bombardment of the German second position, Frise was captured and the second position attacked at and broken into at Herbécourt where the French surrounded the village, the attack was repulsed at Assevillers with the help of artillery-fire from the south.
Split into simpler sentences: Artillery began a systematic bombardment of the German second position, Frise was captured and the second position attacked at and broken into at Herbécourt, where the French surrounded the village. The attack was repulsed at Assevillers, with the help of artillery-fire from the south.