The Restoration of the English monarchy began in 1660 when the English, Scottish and Irish monarchies were all restored under Charles II after the Interregnum that followed the Wars of the Three Kingdoms. The term Restoration is used to describe both the actual event by which the monarchy was restored, and the period of several years afterwards in which a new political settlement was established. It is very often used to cover the whole reign of Charles II (1660–1685) and often the brief reign of his younger brother James II (1685–1688). In certain contexts it may be used to cover the whole period of the later Stuart monarchs as far as the death of Queen Anne and the accession of the Hanoverian George I in 1714; for example Restoration comedy typically encompasses works written as late as 1710.
The Commonwealth, which preceded the English Restoration, might have continued if Oliver Cromwell's son Richard, who was made Lord Protector on his father's death, had been capable of carrying on his father's policies. Richard Cromwell's main weakness was that he did not have the confidence of the army. After seven months, an army faction known as the Wallingford House party removed him on 6 May 1659 and reinstalled the Rump Parliament.Charles Fleetwood was appointed a member of the Committee of Safety and of the Council of State, and one of the seven commissioners for the army. On 9 June 1659, he was nominated lord-general (commander-in-chief) of the army. However, his leadership was undermined in Parliament, which chose to disregard the army's authority in a similar fashion to the post-First Civil War Parliament. A royalist uprising was planned for 1 August 1659, but it was foiled. However, Sir George Booth gained control of Cheshire; Charles II hoped that with Spanish support he could effect a landing, but none was forthcoming. Booth held Cheshire until the end of August when he was defeated by General Lambert. The Commons, on 12 October 1659, cashiered General John Lambert and other officers, and installed Fleetwood as chief of a military council under the authority of the Speaker. The next day Lambert ordered that the doors of the House be shut and the members kept out. On 26 October a "Committee of Safety" was appointed, of which Fleetwood and Lambert were members. Lambert was appointed major-general of all the forces in England and Scotland, Fleetwood being general. The Committee of Safety sent Lambert with a large force to meet George Monck, who was in command of the English forces in Scotland, and either negotiate with him or force him to come to terms.