Complex sentence: On 19 May, the 7th Panzer Division (Major-General Erwin Rommel) attacked Arras but was repulsed and during the evening the SS Division "Totenkopf" ("Gruppenführer" Theodor Eicke) arrived on the left flank of the 7th Panzer Division.
Split into simpler sentences: On 19 May, the 7th Panzer Division (Major-General Erwin Rommel) attacked Arras, but was repulsed. During the evening, the SS Division "Totenkopf" ("Gruppenführer" Theodor Eicke) arrived on the left flank of the 7th Panzer Division.