The First Battle Hostile_encounter of Newbury was a battle Hostile_encounter of the First English Civil War that was fought Hostile_encounter on 20 September 1643 between a Royalist army , under the personal command Control of King Charles , and a Parliamentarian force led by the Earl of Essex .

Charles rallied Military_operation his forces Military_operation and pursued Aiming Essex , overtaking Change_of_leadership the Parliamentarian army at Newbury and forcing them to march Self_motion past the Royalist force to continue their retreat Escaping .