For 10 points, name this Lord Protector who ruled England from 1653 to 1658.
He wrote a letter on the death of Valentine Walton and put down a Scottish revolt with victories at Dunbar and Worcester. His massacres at Drogheda and Wexford created a lifelong enmity with the Irish people, and he dissolved the Rump Parliament and established the Barebones Parliament upon his return to England. He gained the nickname "Old Ironsides" with victories at Marsten Moor and Naseby as leader of the New Model Army. For 10 points, name this Lord Protector who ruled England from 1653 to 1658.
He wrote a letter on the death of Valentine Walton and put down a Scottish revolt with victories at Dunbar and Worcester.
Oliver Cromwell