Their objective was the village of Serre .
93 and 94 Brigades went ' over the top ' at 07.30 on 1 July , 10 minutes after the explosion of the nearby Hawthorn Ridge mine had alerted the enemy .
Brigades ' objective was the village of Serre .
93 and 94 Brigades went ' over the top ' at 07.30 on 1 July , 10 minutes after the explosion of the nearby Hawthorn Ridge mine had alerted the enemy .