The Formation of the Parliament of Great Britain
The Parliament of Great Britain was formally established in May 1707 following the ratification of the Acts of Union by the separate parliaments of England and Scotland. This significant political development marked the unification of the two kingdoms into the single Kingdom of Great Britain. The Acts of Union ratified the earlier Treaty of Union, which had been agreed upon by commissioners representing both nations. This treaty laid the groundwork for political, economic, and administrative integration, and its implementation resulted in the creation of a unified parliament.
Casey Adams
1/24/20253 min read


Background and Context
The unification of England and Scotland was a process driven by political, economic, and religious motivations.
England and Scotland had shared a monarch since the Union of the Crowns in 1603 when King James VI of Scotland ascended to the English throne as James I.
The two countries remained politically and legally distinct despite this personal union, with separate parliaments, legal systems, and churches.
The 17th century saw events highlighting the challenges of governing two separate kingdoms under one monarch.
Conflicts such as the English Civil War and the Glorious Revolution underscored the need for closer cooperation and alignment between the two nations.
Economic considerations also played a critical role.
Scotland sought to recover from the economic fallout of failed ventures, such as the Darien Scheme and saw union with England as a path to greater economic stability and access to English colonial markets.
Meanwhile, England sought to secure the northern border and prevent Scotland from aligning with its European rivals, particularly France.
The Acts of Union 1707
The Acts of Union were passed by both the English and Scottish parliaments in 1706 and 1707, respectively.
These acts formalized the terms of the Treaty of Union, creating a new political entity—the Kingdom of Great Britain. Among the key provisions of the acts were:
Unification of Parliaments: The separate English and Scottish parliaments were dissolved, and a single Parliament of Great Britain was established. This new parliament convened at the Palace of Westminster in London, the former home of the English Parliament.
Representation: Scotland was granted representation in the unified parliament, with 45 Members of Parliament (MPs) in the House of Commons and 16 representative peers in the House of Lords.
Economic Integration: The two nations adopted a single currency, customs union, and trade policy, facilitating economic integration.
Preservation of Institutions: While the parliaments were unified, certain Scottish institutions, such as its legal system and Presbyterian Church, were preserved as distinct entities.
The Parliament of Great Britain
The newly formed Parliament of Great Britain assumed the legislative responsibilities for the entire kingdom. It was composed of two houses:
The House of Commons: Members were elected to represent constituencies across England and Scotland.
The House of Lords: Comprised of English peers and 16 Scottish representative peers.
The parliament operated within the Palace of Westminster, near the City of London, continuing the traditions and practices of the former English Parliament.
While Scotland had representation in the new parliament, critics often argued that the arrangement disproportionately favored England due to its larger population and greater number of MPs.
The Acts of Union 1800
The Parliament of Great Britain lasted nearly a century before undergoing a significant transformation.
In 1800, the Acts of Union were passed to merge the British and Irish parliaments, creating the Parliament of the United Kingdom of Great Britain and Ireland.
This union came into effect on January 1, 1801, amid political and military pressures, including the ongoing Napoleonic Wars and unrest in Ireland following the failed Irish Rebellion of 1798.
The Acts of Union 1800:
Dissolved the Irish Parliament.
Incorporated Irish representation into the British Parliament, with 100 MPs in the House of Commons and 28 representative peers in the House of Lords.
This legislative change reflected the evolving nature of the British state and its governance, paving the way for a more centralized parliamentary system.
Legacy and Significance
The formation of the Parliament of Great Britain in 1707 was a pivotal moment in the political history of the British Isles.
It marked the beginning of a unified legislative body that would oversee the governance of an expanding empire.
The union facilitated economic growth, military cooperation, and colonial expansion, but it also sparked debates about representation, sovereignty, and national identity—issues that continue to resonate in modern British politics.
The Acts of Union 1707 and 1800 demonstrate the complex interplay of political ambition, economic necessity, and national identity in shaping the institutions of governance.
These acts laid the foundation for the modern United Kingdom and its parliamentary traditions, which remain central to its political system tod
Parliament of Great Britain

