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The Commonwealth (1649–1653)

The Commonwealth (1649–1653) was the republican government established in England after the execution of Charles I and the abolition of the monarchy. Without a king or House of Lords, the country was governed by Parliament, but disagreements between civilian politicians and the army created continuing political instability. The Commonwealth also fought campaigns in Ireland and Scotland as it sought to establish control over the three kingdoms following the Wars of the Three Kingdoms.

Great Seal of the Commonwealth (1651), reverse, House of Commons in session.
Great Seal of the Commonwealth (1651), reverse, House of Commons in session.

The Commonwealth (1649–1653)

The Commonwealth was formally established in March 1649, when Parliament abolished the monarchy and the House of Lords. The remaining House of Commons, known as the Rump Parliament, assumed responsibility for government. The new regime rejected hereditary monarchy and claimed to govern the people of England through their representatives, although political authority remained concentrated in a relatively small group of MPs and army leaders.

The creation of the Commonwealth did not bring an end to warfare or political division. Royalist resistance continued, Scotland recognised Charles II as king, and the government launched a major campaign in Ireland. At home, Parliament and the army disagreed over constitutional reform, religious policy and the timing of new elections.

Establishing a republic

The trial and execution of Charles I had created the immediate conditions for a government without a monarch. On 17 March 1649, Parliament abolished the office of king, declaring it unnecessary, burdensome and dangerous to the liberty and public interest of the nation. The House of Lords was abolished two days later.

The Rump Parliament retained legislative authority and established a Council of State to manage executive government and foreign affairs. The new regime needed to maintain the armed forces, collect revenue and secure its authority at a time when opponents continued to challenge the legitimacy of the regicide and the republic.

The Commonwealth’s political foundations were contested from the beginning. Some supporters of Parliament had favoured a negotiated settlement with Charles I rather than the abolition of monarchy. Others believed that a republic offered an opportunity for more fundamental political and religious reform. These differences shaped debates over the new government and its future constitution.

The Rump Parliament and political reform

The Rump Parliament consisted of members who remained after the army’s intervention in December 1648, known as Pride’s Purge. It was not a newly elected parliament, and its authority was increasingly questioned by those who wanted fresh elections and a broader political settlement.

The government introduced measures to administer the country without royal institutions, but progress on constitutional reform was slow. MPs disagreed over the electoral system, the distribution of political power and the future role of Parliament. Army leaders feared that elections held before these issues were resolved might restore political influence to opponents of the Commonwealth.

Disputes also concerned the relationship between the army and civilian government. Military commanders had played a decisive role in the defeat of Charles I and the establishment of the republic, but they did not agree with Parliament on how the country should be governed. The resulting tensions weakened the regime and contributed to the dissolution of the Rump Parliament in April 1653.

The conquest of Ireland

The Commonwealth faced a major military challenge in Ireland, where Royalist forces had joined with Irish Confederate forces in opposition to Parliament. Oliver Cromwell arrived in Dublin in August 1649 to lead a campaign against this alliance. The conquest involved sieges, battles, the capture of towns and severe violence against defenders and civilians.

The campaign included the sieges of Drogheda and Wexford in 1649. Parliamentarian victories weakened organised resistance, but fighting continued after Cromwell returned to England in 1650. Other commanders carried on the campaign, and the conquest was followed by extensive confiscations of land and the redistribution of property.

The Irish campaign was closely connected to politics in England. Disagreements over military authority, the conduct of the war and the proposed settlement of Ireland affected relations between the army and the Rump Parliament. The Irish Confederate Wars (1641–1653) therefore continued to shape the Commonwealth’s domestic politics as well as its military priorities.

The campaign in Scotland

Scotland did not accept the abolition of the English monarchy. The Scottish government recognised Charles II as king in 1649, although it required him to accept the Covenants and Presbyterian religious principles. This created a renewed military threat to the Commonwealth.

In 1650, Cromwell led an English army into Scotland. The campaign culminated in the Parliamentarian victory at the Battle of Dunbar on 3 September 1650. Charles II and his Scottish supporters continued the war, invading England in 1651, but were defeated at the Battle of Worcester on 3 September. This campaign formed the final phase of the Third English Civil War (1650–1651).

The victories in Scotland and at Worcester strengthened the Commonwealth’s military position, but they did not resolve its political difficulties. The army remained influential in government, and Parliament struggled to agree on a lasting constitutional settlement.

Why did the Commonwealth end in 1653?

The Rump Parliament’s failure to settle the question of political representation brought its relationship with the army to a crisis. Army leaders wanted a government capable of reforming the legal system and addressing corruption, while MPs were reluctant to surrender their authority or agree to arrangements that might weaken their position.

On 20 April 1653, Oliver Cromwell and soldiers entered the House of Commons and brought the sitting to an end. The Rump Parliament was dissolved, marking the end of this phase of the Commonwealth. A nominated assembly, often called the Barebone’s Parliament, subsequently took office, but it also failed to provide a stable settlement.

In December 1653, Cromwell became Lord Protector under a new constitutional framework. The resulting Protectorate (1653–1659) replaced the Commonwealth’s parliamentary system with a different form of republican government centred on the Protector and the army.

Significance of the Commonwealth

The Commonwealth represented an unprecedented experiment in English government. For the first time, the monarchy and House of Lords were abolished, and the country was governed without a king. The regime also extended Parliamentarian military control into Ireland and Scotland, although its authority relied heavily on the army.

Its political divisions prevented the establishment of a stable and widely accepted constitutional settlement. The Protectorate followed in 1653, and the monarchy was eventually restored in 1660 when Charles II returned from exile. The Commonwealth nevertheless remains a significant period in the history of Parliament, republican government and the changing relationship between military and civilian authority.

Further Reading