The day the King marched on Parliament: King Charles I, five MPs and the road to civil war

In this episode we speak with historian Jonathan Healey about one of the most extraordinary days in parliamentary history when King Charles I entered the Commons Chamber with soldiers aiming to arrest five MPs. This dramatic moment, vividly recounted in Healey’s new book The Blood in Winter, marked a crucial turning point toward civil war. We explore the power struggles, propaganda, and the geography that shaped the fate of a nation and the Westminster Parliament.

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January 4th, 1642: King Charles I enters the House of Commons with armed soldiers to arrest five MPs – Pym, Hampden, Haselrig, Holles, and Strode. It's a scene etched into British constitutional memory, echoed today in the symbolic slamming of the Commons’ door during the State Opening of Parliament. But what led to this unprecedented royal intrusion?

In this special Summer recess episode, we are joined by historian Professor Jonathan Healey, author of The Blood in Winter: A Nation Descends 1642, to unpack the political, legal and emotional drama behind that fateful day.

We explore the rising tensions over Parliament’s role in securing consent for taxation to fund the King’s wars, controversial religious reform, and the escalating political crisis – including the moment when MPs used the parliamentary process to force Charles to agree to the execution of his powerful ally and chief enforcer, the Earl of Strafford. Healey reveals how political passions were stirred by the new technology of pamphlet-printing, city mobs, and the role of the great nobles in backing MPs who resisted the King.

Jonathan also sheds light on the crucial role geography played in 17th century Westminster, with the royal palace of Whitehall just a short walk from Parliament, and both set along a public thoroughfare that left them exposed to rioting crowds from the City of London.

We learn about Speaker William Lenthall’s defiant stand, the fate of the elusive five MPs, and how figures like John Pym and Denzil Holles helped redraw the lines between Crown and Commons. Plus, a look at how near-unknown backbencher Oliver Cromwell was just beginning to appear on the scene.

It’s a gripping account of how political missteps and personal rivalries pushed the nation to civil war and shaped the parliamentary democracy we have today.

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Parliament Matters is a Hansard Society production supported by the Joseph Rowntree Charitable Trust.

Presenters: Mark D’Arcy and Ruth Fox

Producer: Richard Townsend

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