| Year | Principal Events |
| |
| 1648 | Pride's Purge |
| 1649 | Charles I tried and executed |
| Abolition of monarchy
and the House of Lords |
| England declared a republic by Parliament |
| 1651 | Charles II crowned in Scotland |
| Cromwell defeats Royalists at Battle of Worcester |
| 1652 | Settlement of Ireland Act |
| 1653 | Nominated
Assembly |
| Cromwell accepts the Instrument of Government |
| 1654 | Act of Union with Scotland |
| 1655 | Penruddock's Rising |
| 1655-7 | Rule of the Major Generals |
| 1658 | Oliver Cromwell dies; Richard Cromwell
becomes Lord Protector |
| 1659 | Richard Cromwell forced to abdicate |
| 1660 | Restoration of Charles II |