The Keep Military Museum, Dorchester, Dorset
Hanmer's regiment had been in Ireland from 1689, when it took part in the relief of the siege of Londonderry. The following year William led his army of 36,000 men south to confront James's 25,000 strong Jacobite Army.
William distracted a large proportion of the Jacobite army by a flank march to the west, leaving the centre, including Hanmer's Regiment free to attack across the Boyne against a lightly held font. Having established a bridgehead the Wiliamite Army drove the Jacobite Army but had to hold out against a series of cavalry counter attacks. The enemy cavalry nearly broke through but were held by the disciplined volleys of the infantry and were finally broken by the arrival of Williams and his cavalry.