Capture of Rodrigo
Captures Ciudad Rodrigo
Permanent historical records · Updated 2026-11-03
1812 in Great Britain
Explore 55 historical events and records for Great Britain in 1812.
Historical records for Great Britain in 1812
Sorted by month and day. Records with no month are shown last. Showing 40 of 55 unique records.
55Unique records
1 of 2Page
24Named events on this page
10Named people on this page
11Places on this page
January
Siege of Badajoz
After Lord Wellington laid siege to Cuidad Rodrigo in January 1812, he moved Badajoz
February
Legislation
The Regency Act removes the restrictions on the Regency
Legislation
The Regency Act removes the restrictions on the Regency
Peerage
Created Duque de Ciudad de Rodrigo
Peerage
Created Earl of Wellington
Peerage
Created Duque de Ciudad de Rodrigo
Peerage
Created Earl of Wellington
March
Alliance Leads the coalition
Leads the coalition against Napoleon & prevents Allies dealing separately with France
Foreign Secretary of Great Britain
Appointed Foreign Minister under Lord Liverpool
Siege of Badajoz
Wellington laid siege to the fortress of Badajoz form 17th March to 6th April
Legislation
Frame-breaking becomes a capital offence
April
Embargo
The US declares a 90 day embargo in preparation for war with Britain
Siege of Assaye
Captures the Spanish city of Assaye, 250 miles south west of Madrid
Siege of Badajoz
The defenders of Badajoz surrender, Wellington has lost 5,000 during the siege
Siege of Badajoz
Captures Badajoz but the British sustain 5,000 casualties
May
Arrest of John Bellingham
Arrests John Bellinigham for the assassination of Spencer Perceval
Assassination of Spencer Perceval
Shoots Prime Minister Spencer Perceval in the lobby of the House of Commons
Assassination of Spencer Perceval
Advises John Bellinigham to petition Spencer Perceval for compensation
Assassination of Spencer Perceval
Shot in the lobby of the Commons by John Bellinigham who blames him for his bankruptcy
Death of Spencer Perceval
Death of Spencer Perceval, assassinated
Trial
Tried & hanged for the murder of Spencer Perceval
Trial
Tries John Bellingham for the murder of Spencer Perceval
June
Prime Minister
Becomes Prime Minister after Spencer Perceval is assassinated.
Prime Minister of Great Britain
Appointed Prime Minister of Great Britain
Battle of Salamanca
Wellingtons Allied Army enters Salamanca unopposed
July
Declaration of War
America declares war against Britain for violating neutral waters
Neutrality
America declares war against Britain for violating neutral waters
Battle of Salamanca
Wellington defeats a French force of 40,000 under Marmont, opening the way to Madrid
August
Capture of Madrid
Wellingtons Army enters Madrid, it is free from French occupation since Dec 1808
Siege of Madrid
Enters Madrid
Capture of Detroit
Captures Detroit
Peerage
Created Marquess of Wellington
Peerage
Created Marquess of Wellington
September
Siege of Burgos
Unsuccessful at the siege of Burgos
Siege of Burgos
Wellington lays siege to Burgos
October
Battle of Queenston
Killed during the battle. Defeats Van Rensselaer during an American invasion of Canada
Death of Isaac Brock
Death of Isaac Brock, killed during the Battle of Queenston
Siege of Burgos
Rereats from Burgos
Other events (month unknown)
Battersea Mechanised Sawmill Operates
Brunel operated powered saws at Battersea to produce sawn timber more efficiently than traditional hand methods.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.