1649 in England

Incumbents

• Monarch – Charles I
• Parliament – Revolutionary Rump, First Commonwealth Rump

  Events

• 3 January – An explosion of several barrels of gunpowder in Tower Street, London kills 67 people and destroys 60 houses.
• 4 January – The Rump Parliament passes an ordinance to set up a High Court of Justice for the trial of Charles I for high treason in the name of the people of England.
• 20 to 27 January – Trial and conviction of King Charles I by the High Court of Justice convened in Westminster Hall.
• 30 January
• * King Charles is beheaded outside the Banqueting House, Whitehall.
• * Prince Charles Stuart declares himself King Charles II of England, Scotland and Ireland. At this time none of the three Kingdoms have recognised him as ruler. Parliament this day has passed an "Act prohibiting the proclaiming any person to be King of England or Ireland, or the Dominions thereof".
• 9 February – Eikon Basilike: the Pourtrature of His Sacred Majestie in His Solitudes and Sufferings, purporting to be the spiritual autobiography of Charles I, is published.
• 23 February – Ships of the Parliamentary navy are to fly the flag of England.
• 17 March – The Rump Parliament formally abolishes the English monarchy by passing an act abolishing the kingship creating the Commonwealth of England, a republican form of government later extended to Scotland and Ireland.
• 19 March – The House of Commons passes an act abolishing the House of Lords, declaring that it is "useless and dangerous to the people of England".
• March – Robert Blake is promoted to become a General at Sea of the English fleet.
• April – Bishopsgate mutiny: Soldiers of the New Model Army refuse to leave London – some are court martialled and one executed.
• 2 May – Lawyer and regicide Sir Isaac Dorislaus, while in The Hague to negotiate an alliance with the Dutch Republic, is murdered by royalist exiles.
• 17 May – Banbury mutiny ends – leaders of the Leveller mutineers in the New Model Army are hanged at Burford.
• 19 May – is passed by the Rump Parliament.
• 22 May–October – Robert Blake blockades Prince Rupert's fleet in Kinsale, Ireland.
• August – The Diggers abandon their last major colony, at St. George's Hill, Weybridge.
• 15 August – Oliver Cromwell lands in Dublin to begin the Cromwellian conquest of Ireland.
• 3–11 September – Siege of Drogheda in Ireland: Cromwell's New Model Army massacres the Irish Catholic Confederation garrison.
• 2–11 October – Sack of Wexford in Ireland: New Model Army massacres the Irish Catholic Confederation garrison.
• October – John Milton's Eikonoklastes: in Answer to a Book Intitl'd Eikon Basilike, a defence of the execution of Charles I, is published.

  Births

• 23 February – John Blow, composer and organist
• 9 April – James Scott, 1st Duke of Monmouth, claimant to the thrones of England, Scotland and Ireland
• 15 September – Titus Oates, minister and plotter

  Deaths

• 30 January – King Charles I of England, Scotland, and Ireland
• 9 March
• * James Hamilton, 1st Duke of Hamilton
• * Henry Rich, 1st Earl of Holland, soldier
• 26 March – John Winthrop First Governor of Massachusetts Bay Colony
• 11 July – Susanna Hall, daughter and heir of William Shakespeare
• 6 September – Robert Dudley, styled Earl of Warwick, explorer and geographer
• 15 September – John Floyd, Jesuit preacher