In 1794, in the face of the revolutionary army of France that numbering half a million men, the counties formed a force of Volunteer Yeoman Cavalry which could be called on by the King to defend the country against invasion or by the Lord Lieutenant to subdue any civil disorder within the country.After World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 ,It had become clear that cavalry was obsolete and in 1922 it was announced that some Yeomanry Regiments were to become Royal Artillery

Royal Artillery

The Royal Regiment of Artillery, commonly referred to as the Royal Artillery , is the artillery arm of the British Army. Despite its name, it comprises a number of regiments.-History:...

 regiments.

Regiments

Conversion of yeomanry to RA

Yeomanry Regiment	Artillery Regiment
Ayrshire Yeomanry  (Earl of Carrick’s Own)	151 Field Regiment (Ayrshire Yeomanry)
Ayrshire Yeomanry (Earl of Carrick’s Own)	152 Field Regiment (Ayrshire Yeomanry)
Bedfordshire Yeomanry Bedfordshire Yeomanry Bedfordshire Yeomanry, a unit of the British Army originally raised in 1797 as a body of independent troops, the Bedfordshire Yeomanry Cavalry was disbanded after the Napoleonic Wars and briefly reformed from 1817 to 1827....	105 Field Regiment (Bedfordshire Yeomanry)
Bedfordshire Yeomanry	148 Field Regiment (Bedfordshire Yeomanry)
Berkshire Yeomanry Berkshire Yeomanry 94 Signal Squadron forms part of 39 Signal Regiment. They are currently based in three locations in the Home Counties...	145 Field Regiment (Bucks & Berks Yeomanry)
Royal Buckinghamshire Hussars	99 Field Regiment (Bucks & Berks Yeomanry)
Denbighshire Hussars Denbighshire Hussars The Denbighshire Hussars was a unit of the British Army from 1794–1921. It saw service in the First World War before being merged into a unit of the Royal Artillery.-Early history:...	61 Medium Regiment (Caernarvon & Denbigh Yeomanry
Denbighshire Hussars	69 Medium Regiment (Caernarvon & Denbigh Yeomanry)
Royal Devon Yeomanry Royal Devon Yeomanry The Royal Devon Yeomanry was a Yeomanry regiment of the British Army, first raised in 1794, it participated in the Boer War, World War I and World War II and now forms a squadron of the Royal Wessex Yeomanry.-History:...	96 Field Regiment (Royal Devon Yeomanry)
Royal Devon Yeomanry	142 Field Regiment (Royal Devon Yeomanry)
Queen's Own Dorset Yeomanry Queen's Own Dorset Yeomanry The Queen's Own Dorset Yeomanry was founded as the Dorsetshire Regiment of Volunteer Yeomanry Cavalry in 1794. In response to the growing threat of invasion during the Napoleonic wars....	94 Field Regiment (Dorset & Hants Yeomanry)
Royal East Kent Yeomanry Royal East Kent Yeomanry The Royal East Kent Yeomanry were formed in 1794, originally as a series of independent troops based in the important towns of Kent, England.In the latter part of the 19th century they frequently provided escorts for the Queen and members of the Royal Family, and as a result, in 1856 the East Kent...  (The Duke of Connaught's Own Mounted Rifles)	97 Field Regiment (Kent Yeomanry)
Royal East Kent Yeomanry (The Duke of Connaught's Own Mounted Rifles)	143 Field Regiment (Kent Yeomanry)
Essex Yeomanry Essex Yeomanry The Essex Yeomanry was a yeomanry regiment of the British Army raised in 1797. The regiment recruited volunteers from the county of Essex in the East of England.-Origins:...	104 Royal Horse Artillery (Essex Yeomanry)
Essex Yeomanry	147 Royal Horse Artillery (Essex Yeomanry)
Glamorgan Yeomanry Glamorgan Yeomanry The Glamorgan Yeomanry were formed in 1797, when King George III was on the throne, William Pitt the Younger was the Prime Minister of Great Britain, and across the English Channel, Britain was faced by a French nation that had recently guillotined its King and possessed a revolutionary army...	81 Field Regiment (Welsh)
Glamorgan Yeomanry	132 Field Regiment (Welsh)
Queen's Own Royal Glasgow Yeomanry Queen's Own Royal Glasgow Yeomanry The Queen's Own Glasgow can trace their formation back to the late 18th century, when King George III was on the throne, William Pitt the Younger was the Prime Minister of the United Kingdom, and across the English Channel, Britain was faced by a French nation that had recently guillotined its...	54 Anti Tank Regiment (Queen’s Own Royal Glasgow Yeomanry)
Queen’s Own Royal Glasgow Yeomanry	64 Anti Tank Regiment (Queen’s Own Royal Glasgow Yeomanry)
Hampshire Yeomanry Hampshire Yeomanry The Hampshire Yeomanry can trace its formation to the late 18th century. King George III was on the throne, William Pitt the Younger was Prime Minister of Great Britain, and across the English Channel, Britain was faced by a French nation that had recently guillotined its King and which possessed...  (Carabiniers)	72 Heavy Anti Aircraft Regiment (Hampshire)
Hertfordshire Yeomanry Hertfordshire Yeomanry The Hertfordshire Yeomanry is a British Army unit specializing in artillery and yeomanry that can trace its formation to the late 18th century. First seeing service in the Boer War, it subsequently served in both World Wars....	86 Field Regiment
Hertfordshire Yeomanry	135 Field Regiment
Hertfordshire Yeomanry	79 Heavy Anti Aircraft Regiment
Lanarkshire Yeomanry Lanarkshire Yeomanry The Lanarkshire Yeomanry was a yeomanry regiment of the British Army, first raised in 1819, which served as a dismounted infantry regiment in the First World War and provided two field artillery regiments in the Second World War, before being amalgamated into The Queen's Own Lowland Yeomanry in...	155 Field Regiment
Lanarkshire Yeomanry	156 Field Regiment
Duke of Lancaster's Own Yeomanry Duke of Lancaster's Own Yeomanry The Duke of Lancaster's Own Yeomanry has its origins in the various troops of light horse raised in the eighteenth century in the county of Lancaster, the earliest of which was the Bolton Light Horse formed in 1798....	77 Medium Regiment
Duke of Lancaster's Own Yeomanry	78 Medium Regiment
Lancashire Hussars Lancashire Hussars The Lancashire Hussars were originally formed in 1798 as independent troops, before becoming the Lancashire Yeomanry Cavalry in 1828 and then being disbanded in 1832...	106 Royal Horse Artillery
Lancashire Hussars	149 Royal Horse Artillery
Leicestershire Yeomanry Leicestershire Yeomanry The Leicestershire Yeomanry was a yeomanry regiment of the British Army, first raised in 1794 and again in 1803, which provided cavalry and mounted infantry in the South African War and First World War and provided two field artillery regiments of the Royal Artillery in the Second World War,...  (Prince Albert's Own)	153 Field Regiment (Leicestershire Yeomanry)
Leicestershire Yeomanry (Prince Albert's Own)	154 Field Regiment (Leicestershire Yeomanry)
City of London City of London The City of London is a small area within Greater London, England. It is the historic core of London around which the modern conurbation grew and has held city status since time immemorial. The City’s boundaries have remained almost unchanged since the Middle Ages, and it is now only a tiny part of...  (Rough Riders) Yeomanry	11 Light Anti Aircraft Regiment
Norfolk Yeomanry Norfolk Yeomanry The Norfolk Yeomanry was a regiment of the British Army.In 1901, the Norfolk Yeomanry were raised at the express wish of King Edward VII, after a gap of 33 years, and titled the King's Own Royal Regiment with the Royal cipher as their badge.In September 1915, the regiment embarked on RMS Olympic...  (The King’s Own Royal Regt)	65 Anti Tank Regiment (Suffolk & Norfolk Yeomanry)
Royal North Devon Yeomanry Royal Devon Yeomanry The Royal Devon Yeomanry was a Yeomanry regiment of the British Army, first raised in 1794, it participated in the Boer War, World War I and World War II and now forms a squadron of the Royal Wessex Yeomanry.-History:...	96 Field Regiment
Royal North Devon Yeomanry	142 Field Regiment
Northumberland Hussars Northumberland Hussars The Northumberland Hussars is a Squadron of The Queen's Own Yeomanry is an armoured Squadron of the British Territorial Army. It is part of a Formation Reconnaissance Regiment, equipped with the FV107 Scimitar and FV103 Spartan type armoured reconnaissance vehicles...	102 Light Anti Aircraft/Anti Tank Regiment
Queen's Own Oxfordshire Hussars Queen's Own Oxfordshire Hussars The Queen's Own Oxfordshire Hussars was the designated name of a Yeomanry regiment of the British Army between 1888 and 1922. In response a call by the government for troops of volunteers to be formed in the shires, meeting of “Nobility, Gentry, Freeholders and Yeomanry” was called at the Star Inn...	Amalgamated with Worcs Yeomanry on conversion
Pembroke Yeomanry Pembroke Yeomanry The Pembroke Yeomanry were formed in 1794, by Lord Milfordwhen King George III was on the throne, William Pitt the Younger was Prime Minister of Great Britain, and across the English Channel, Britain was faced by a French nation that had recently guillotined its King and which possessed a...	102 Field Regiment (Pembroke & Cardigan)
Pembroke Yeomanry	146 Field Regiment (Pembroke & Cardigan)
Scottish Horse Scottish Horse The Scottish Horse was a Yeomanry Regiment of the British Territorial Army from 1900 to 1956 when it was amalgamated with The Fife and Forfar Yeomanry....	79 Medium Regiment
Scottish Horse	80 Medium Regiment
Shropshire Yeomanry Shropshire Yeomanry The Shropshire Yeomanry was a yeomanry regiment of the British Army, first raised in 1795, which served as a cavalry and dismounted infantry regiment in the First World War and as a cavalry and an artillery regiment in the Second World War, before being amalgamated with the Shropshire Royal Horse...	75 Medium Regiment
Shropshire Yeomanry	76 Medium Regiment
South Nottinghamshire Hussars South Nottinghamshire Hussars The South Nottinghamshire Hussars were a unit of the British Army formed as volunteer cavalry in 1794. Converted to artillery in 1922, it now forms a battery of a Territorial Army regiment.-World War I:...	107 Royal Horse Artillery
South Nottinghamshire Hussars	150 Royal Horse Artillery
Duke of Yorks Own Loyal Suffolk Hussars Duke of Yorks Own Loyal Suffolk Hussars -History:The Duke of Yorks Own Loyal Suffolk Hussars was a unit of the British Army from 1794–1961.The regiment was formed as volunteer cavalry in 1794, during the French Revolutionary Wars. The Suffolk Yeomanry was raised in as the Loyal Suffolk Hussars, they fought in the Boer war as part...	55 Anti Tank Regiment (Suffolk & Norfolk Yeomanry)
Surrey Yeomanry Surrey Yeomanry The Surrey Yeomanry was a unit of the British Army formed as volunteer cavalry in 1794 during the French Revolutionary Wars. In 1901 the Regiment was granted the title Princess of Wales's which was changed to Queen Mary's when George V became the King...  (Queen Mary’s Regiment)	98 Field Regiment (Surrey & Sussex Yeomanry Queen Mary’s)
Surrey Yeomanry (Queen Mary’s Regiment)	144 Field Regiment (Surrey & Sussex Yeomanry Queen Mary’s)
The Sussex Yeomanry The Sussex Yeomanry The Sussex Yeomanry was a yeomanry regiment of the British Army formed in 1794, with its last remnants disbanding finally in 1999. It was initially formed when there was a threat of French invasion during the Napoleonic Wars.-World War I:...	Amalgamated with Surrey Yeomanry on conversion
Westmorland and Cumberland Yeomanry Westmorland and Cumberland Yeomanry The Westmorland and Cumberland Yeomanry was a Yeomanry , Cavalry Regiment of the British Army formed in 1828. They were a part of the Imperial Yeomanry during the Boer War and would remain in Great Britain for the first years of the Great War but went to sail for France in 1917 to fight in the...	51 Field Regiment
Westmorland and Cumberland Yeomanry	109 Field Regiment
West Somerset Yeomanry West Somerset Yeomanry The West Somerset Yeomanry was formed in 1794, when King George III was on the throne, William Pitt the Younger was the Prime Minister of Great Britain and, across the English Channel, Britain was faced by a French nation that had recently guillotined its King and possessed a revolutionary army...	55 Field Regiment (Wessex)
West Somerset Yeomanry	55 Field Regiment (Wessex)
Queen's Own Worcestershire Hussars Queen's Own Worcestershire Hussars -History:The Queen's Own Worcestershire Hussars were formed in 1794, as the Worcestershire Yeomanry, when King George III, was on the throne, William Pitt the Younger was the Prime Minister of Great Britain, and across the English Channel, Britain was faced by a French nation that had recently...	53 Anti Tank Regiment
Queen's Own Worcestershire Hussars	63 Anti Tank Regiment