Gwilym ap Tudur Rhys and Owain Glyndŵr. As a result, the Tudur brothers began planning an attack on Conway Castle. On Good Friday, 1 April 1401, the brothers and 44 men (which included those who had also been excluded from the pardons) infiltrated the castle. They had pretended to be carpenters, and captured the castle while the guard were in church. Negotiations began for the return of the castle on 13 April, with the king represented by Henry "Hotspur" Percy and Gwilym representing the Welsh forces. After seeking a compromise, which would have resulted in pardons being given to the Welshmen, the king
Beaumaris Castle 1330 a total of £15,000 had been spent, a huge sum for the period, but the castle remained incomplete. Beaumaris Castle was taken by Welsh forces in 1403 during the rebellion of Owain Glyndŵr, but recaptured by royal forces in 1405. Following the outbreak of the English Civil War in 1642, the castle was held by forces loyal to Charles I, holding out until 1646 when it surrendered to the Parliamentary armies. Despite forming part of a local royalist rebellion in 1648, the castle escaped slighting and was garrisoned by Parliament, but fell into ruin around 1660, eventually forming part