. It received its name from the fact that through an Act of Parliament, it could only be dissolved with the agreement of the members, and those members did not agree to its dissolution until after the English Civil War
and at the end of Interregnum in 1660. It sat from 1640 until 1648, when it was purged, by the New Model Army
, of those who were not sympathetic to the Army's concerns.
1648 England's Long Parliament passes the Vote of No Addresses, breaking off negotiations with King Charles I and thereby setting the scene for the second phase of the English Civil War.
1648 Colonel Pride of the New Model Army purges the Long Parliament of MPs sympathetic to King Charles I of England, in order for the King's trial to go ahead; came to be known as "Pride's Purge".
1649 An Act of Parliament declaring England a Commonwealth is passed by the Long Parliament. England would be a republic for the next eleven years.
1659 Richard Cromwell resigns as Lord Protector of England following the restoration of the Long Parliament, beginning a second brief period of the republican government called the Commonwealth of England.
1660 The Long Parliament disbands.