 At the approach to the west of the important city of Augusta <unk> ( Turin , Italy ) , Constantine met a large force of heavily armed <unk> cavalry . In the ensuing battle Constantine 's army encircled Maxentius ' cavalry , flanked them with his own cavalry , and dismounted them with blows from his soldiers ' iron @-@ tipped clubs . Constantine 's armies emerged victorious . Turin refused to give refuge to Maxentius ' retreating forces , opening its gates to Constantine instead . Other cities of the north Italian plain sent Constantine embassies of congratulation for his victory . He moved on to Milan , where he was met with open gates and jubilant rejoicing . Constantine rested his army in Milan until mid @-@ summer 312 AD , when he moved on to Brixia ( Brescia ) . 
