Royalists: 1,150 cavalry; 350 dragoons; 500 infantry. Parliamentarians: 900 cavalry (200 engaged); 100 dragoons
The Battle of Chalgrove Field took place on 18 June 1643, during the First English Civil War, near Chalgrove, Oxfordshire. It is now best remembered for the death of John Hampden, who was wounded in the shoulder during the battle and died six days later.
Hoping to capture a Parliamentarian convoy containing £21,000 in cash, during the night of 17 to 18 June Royalist cavalry from Oxford led by Prince Rupert raided positions around Chinnor. Although they failed to intercept the convoy, they seized supplies and prisoners and headed home pursued by cavalry under Hampden and Major John Gunter. Prince Rupert halted at Chalgrove and counterattacked, scattering his opponents before their main force arrived under Sir Philip Stapleton.
The ease with which the Royalists conducted their raid, along with the failure to capitalise on the capture of Reading in April caused serious criticism of the Earl of Essex, Parliamentarian commander. On the other hand, Royalist morale was significantly boosted and Chalgrove marked the start of a series of victories over the next six months.
When the war began, both sides expected it to be decided by a single, decisive battle, but the events of 1642 showed the need to plan for a lengthy conflict. The Royalists focused on fortifying their wartime capital in Oxford and connecting key areas of support in England and Wales, while Parliament consolidated control of those they already held. Although peace talks were held in February, neither party did so with any conviction, and they ended without resolution.
The Earl of Essex, commander of the Parliamentarian field army, captured Reading on 27 April, breaking the line of outposts that protected Oxford. The Royalist war effort was hampered by shortage of weapons, since Parliament held the largest arsenals in England and controlled most of the major ports, making it difficult to import them. In February a large consignment of weapons purchased by Queen Henrietta Maria in the Dutch Republic landed in Bridlington, Yorkshire and preparations began to escort it to Oxford.
Pending its arrival, a consignment of gunpowder from York arrived in Oxford on 16 May, escorted by 1,000 troops under Colonel Thomas Pinchbeck. The Royalists were also helped by sickness and hunger among the Parliamentarian troops and the unwillingness of Essex to act aggressively, claiming he could not move without additional supplies and money. This delay allowed the Royalists time to clear a route to Oxford and the arms convoy left York on 4 June, accompanied by the Queen and 5,000 cavalry. Several days later Parliament sent Essex £100,000 worth of supplies from London, including £21,000 in cash to pay the soldiers.
The site of Battle of Chalgrove Field lies on Gault Formation And Upper Greensand Formation (Undifferentiated), bedrock that formed in the Cenomanian. The rock here is mudstone, sandstone and limestone.
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