They determined to hold out to the last within its walls. Cromwell besieged them, and the great feature of the war was the siege of Pembroke. Walls and castles like those of Pembroke had become useless because of gunpowder. But Cromwell could not at once bring his guns so far. His difficulties were increasing daily: the Parliament was trying to come to terms with the king, all Wales around him was disaffected, the Scotch had crossed the border and were marching on London. After many weeks of assaults and desperate defence, the guns came and the old walls were battered down. Pembroke Castle, whose great round tower still stands, had protected William Marshall against Llywelyn and had enabled an important district to remain a "little England beyond Wales," was the last mediæval castle to take an important part in war. The Scotch were soon defeated at the battle of Preston, and the king was brought to trial and put to death, the death-warrant being signed by two Welshmen—John Jones of Merioneth and Thomas Wogan of Cardigan. The date of Charles' execution is January 20, 1649.
The Commonwealth was established immediately, and Wales was looked upon with
