Parliament of England 1658, his son Richard Cromwell succeeded him as Lord Protector, summoning the Third Protectorate Parliament in the process. When this parliament was dissolved following pressure from the army in April 1659, the Rump Parliament was recalled at the insistence of the surviving army grandees. This in turn was dissolved in a coup led by army general John Lambert, leading to the formation of the Committee of Safety, dominated by Lambert and his supporters. When the breakaway forces of George Monck invaded England from Scotland where they had been stationed—without Lambert's supporters putting up a fight—Monck temporarily recalled the Rump Parliament
Monarchy of Ireland and signed a formal treaty with Charles I in 1648. But in 1649, the Rump Parliament, victorious in the English Civil War, executed Charles I, and made England a republic, or "Commonwealth". The Parliamentarian general Oliver Cromwell came across the Irish Sea to crush the Irish royalists, temporarily uniting England, Scotland, and Ireland under one government, and styling himself "Lord Protector" of the three kingdoms. ("See also Cromwellian conquest of Ireland".) After Cromwell's death in 1658, his son Richard emerged as the leader of this pan-British Isles republic, but he was not competent to maintain it. The Parliament of England