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| United Kingdom parliamentary prorogation controversy | |
|---|---|
| Name | United Kingdom parliamentary prorogation controversy |
| Date | 2019 |
| Place | United Kingdom |
| Causes | Prorogation of Parliament of the United Kingdom before 2019 general election campaigning |
| Result | Supreme Court ruling that prorogation was unlawful; political fallout |
United Kingdom parliamentary prorogation controversy arose in 2019 when the Prime Minister Boris Johnson advised Queen Elizabeth II to prorogue the Parliament of the United Kingdom shortly before the Brexit deadline, provoking legal challenges, a landmark ruling by the Supreme Court, and sustained political debate involving figures and institutions across the Conservative Party, Labour Party, and devolved administrations.
The controversy intersected with longstanding conventions drawn from the Royal Prerogative, practices of the House of Commons, and the roles of the Lord Chancellor, Lord Speaker, and John Bercow, while implicating constitutional questions addressed historically by cases such as R (Miller) v Secretary of State for Exiting the European Union and debates about devolution in Scotland, Wales, and Northern Ireland. The prorogation mechanism had been used in episodes involving figures like Winston Churchill, institutions like the Privy Council, and eras such as the Reform Acts period, raising tensions among advocates from the Institute for Government, the Hansard Society, and academics from Oxford University, Cambridge University, and the London School of Economics.
On 28 August 2019 the Prime Minister Boris Johnson advised the Queen to prorogue Parliament between sessions, triggering a session break that critics linked to attempts to limit scrutiny over Johnson's timetable for Brexit and preparations for a possible general election. The timing involved interactions with the Cabinet, communications from the Prime Minister's Office, and statements referencing the Withdrawal Agreement negotiations with the European Commission, European Council, and leaders such as Jean-Claude Juncker and Donald Tusk.
Multiple litigants, including Gina Miller, Scottish politicians such as Nicola Sturgeon, and organisations like the Good Law Project and trade unions, brought cases in the High Court in England and Wales, the Court of Session in Scotland, and ultimately the Supreme Court. The courts examined principles from precedent cases including Entick v Carrington and Miller (No. 1), leading the Supreme Court in a unanimous decision to declare the prorogation unlawful, citing limits on the Royal Prerogative and the necessity to protect parliamentary sovereignty as articulated in judgments involving the Constitutional Reform Act 2005 and earlier rulings by judges such as Lord Reed and Lady Hale.
The ruling prompted responses across party lines from figures including Theresa May, Jeremy Corbyn, Dominic Grieve, and members of the Liberal Democrats, as well as interventions by devolved leaders Humza Yousaf and Mark Drakeford and institutions including the House of Lords. Parliamentary maneuvers that followed involved emergency recalls of the House of Commons, select committee inquiries led by MPs such as Hilary Benn, proposed motions of confidence and censure, and debate over future uses of prerogative powers that drew commentary from media outlets like the BBC and newspapers such as The Guardian and The Telegraph.
Observers compared the 2019 episode to historic prorogations and dismissals involving monarchs and ministers during the Stuart period, crises such as the Glorious Revolution, and nineteenth-century disputes surrounding the Parliament Act 1911 and instances where prerogative powers clashed with parliamentary authority. Legal historians referenced cases from the eras of Henry VIII and Charles I, as well as constitutional texts by figures like A. V. Dicey and debates from the constitutional reform movement in drawing parallels and contrasts.
The decision clarified that courts can adjudicate the lawfulness of prorogation where it has the effect of frustrating or preventing the constitutional functions of the Parliament of the United Kingdom, thereby placing judicial limits on the Royal Prerogative and reshaping doctrine related to parliamentary sovereignty. The ruling affected interpretations of statutes such as the Fixed-term Parliaments Act 2011 and informed proposals from commissions like the Constitution Unit at University College London and think tanks such as the Institute for Public Policy Research for clearer statutory frameworks governing dissolution and prorogation.
After the ruling, political developments included the calling of the 2019 general election, electoral consequences for the Conservatives and Labour, and ongoing debates in Parliament about codifying limits on the Royal Prerogative and reforming conventions around the Prime Minister's Office. The episode influenced subsequent litigation strategies in constitutional cases, academic curricula at institutions like King's College London and Birkbeck, University of London, and comparative studies involving constitutional courts such as the European Court of Human Rights and the Supreme Court of the United States.
Category:Constitutional crises in the United Kingdom