English Civil War earl of Essex would put himself in their way". Accordingly, the army left Shrewsbury on 12 October, gaining two days' start on the enemy, and moved south-east. This had the desired effect, as it forced Essex to move to intercept them. The first pitched battle of the war, fought at Edgehill on 23 October 1642, proved inconclusive, and both the Royalists and Parliamentarians claimed it as a victory. The second field action of the war, the stand-off at Turnham Green, saw Charles forced to withdraw to Oxford. This city would serve as his base for the remainder of the war.
Militia (English) 1642, the first pitched battle of the war, revealed the weakness of the amateur military system, and both sides struggled with barely trained, poorly-equipped, ill-disciplined and badly led armies. While the Royalists persisted with the amateur tradition, the Parliamentarians developed the New Model Army, a small but disciplined, well-equipped and trained army led by officers selected according to ability rather than birth. The New Model Army defeated the Royalist army at the Battle of Naseby in 1645, effectively ending the First English Civil War in victory for the Parliamentarians. Following the execution of King Charles I, the establishment of the