Battle of Preston

The Battle of Preston was a three-day campaign fought from 17 to 19 August 1648 as Oliver Cromwell attacked the Scottish Engager army and its English Royalist allies in Lancashire. The invading force was numerically strong but stretched along difficult roads, allowing Parliamentarian troops to defeat its separated elements around Preston, Wigan, Winwick and Warrington.

The campaign destroyed the principal field army supporting Charles I during the Second Civil War. It ended the immediate threat of a Scottish advance into England and left the remaining Royalist risings isolated. The victory greatly strengthened Cromwell and the New Model Army as political as well as military powers.

Preston supports fiction about forced marches, rain, supply failure, coalition mistrust and a retreat disintegrating across several days. It is useful for novels centred on Cromwell, Scottish Engagers, Royalist officers gambling on renewed war and soldiers who discover that the second conflict is harsher and less forgiving than the first.