Portsmouth Block Mills
The first series of Brunel's machines is installed to manufacture medium-sized pulley blocks.
Permanent historical records · Updated 2026-11-03
1803 in Great Britain
Explore 24 historical events and records for Great Britain in 1803.
Historical records for Great Britain in 1803
Sorted by month and day. Records with no month are shown last. Showing 24 of 24 unique records.
24Unique records
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22Named events on this page
12Named people on this page
9Places on this page
January
May
HMS Victory
Hoists his flag in HMS Victory for Mediterranean command.
Portsmouth Block Mills
A second series of Brunel's machines is installed to manufacture smaller pulley blocks.
August
Declaration of War
War against Scindia of Gwalior & his allies
September
Battle of Assaye
Wins his first military victory
December
Result of Surrender of Gawilghur
The fall of Gawilghur removes a major Maratha stronghold from the campaign.
Surrender of Gawilghur
Surrender of Gawilghur
Other events (month unknown)
Atomic Theory Introduced In Manchester
Dalton developed the chemical atomic theory that assigned characteristic weights to different elements. The work helped transform laboratory discoveries into wider applications.
Avon New Cut Bypass Excavation
Construction diverted tidal flow into a new southern channel so the central harbour could retain a stable water level. It changed the balance between navigation and flood control.
Bristol Floating Harbour Construction Starts
Works began on the major harbour improvement engineered by William Jessop after parliamentary authorisation. The improvement addressed a specific constraint in river engineering.
Commander in Chief
Appointed commander-in-chief in the Mediterranean.
Commander in Chief
Appointed commander-in-chief in the Mediterranean.
Education
Palmerston studies at St John's College, Cambridge (1803'g1806)
Hansard
Cobbett founds the "Parliamentary Debates", later to become Hansard
Jeffrey Shapes Critical Editorial Policy
Francis Jeffrey consolidated his role in directing the Edinburgh Review, whose essays joined literary criticism with questions of public policy.
Lieutenant-Colonel
Appointed Lieutenant-Colonel Commander of the Romsey Volunteers
Medium Sized Block Machinery Installed
The first production series began making rigging blocks of medium sizes at Portsmouth. The engineering linked steam power to workshop processes.
New Cut Excavations Commence
Work began on diverting the River Avon through the New Cut so that the original harbour channel could retain a stable water level.
Peace of Amiens Debate
Cobbett's Political Register operated during Britain's renewed war with France, providing a forum for his forceful political arguments.
Peerage
Continues his political rise as Lord Hawkesbury before later succeeding as Earl of Liverpool.
Returns to London
Blake returned to London from Felpham and resumed work on ambitious illuminated poetry.
Small Block Production Line Commissioned
A second range of machines extended mechanised manufacture to smaller pulley blocks. The achievement helped standardise production for a large naval fleet.
Toulon Blockade
Begins the long blockade of the French fleet at Toulon.
Toulon Fleet
Commands the French fleet Nelson watches at Toulon.
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.