The 4th Royal Irish Dragoon Guards was a cavalry regiment

Cavalry regiments of the British Army

There are currently nine regular cavalry regiments of the British Army, with two tank regiments provided by the Royal Tank Regiment, traditionally classed alongside the cavalry, for a total of eleven regiments. Of these, five serve as armoured regiments, and five as formation reconnaissance...

 in the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

, first raised in 1685. It saw service for three centuries, before being amalgamated into the 4th/7th Dragoon Guards in 1922.

The regiment was first raised as the Earl of Arran's Regiment of Cuirassiers in 1685, by the regimenting of various independent troops, and ranked as the 6th Regiment of Horse. In 1691 it was re-ranked as the 5th Horse, and in 1746 transferred to the Irish regiment establishment where it was the ranked 1st Horse. It returned to the British establishment in 1788, as the 4th (Royal Irish) Dragoon Guards.

Perhaps the most notable engagement of the regiment was at the outbreak of 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...

 on 22 August, 1914, when a squadron of the regiment became the first members of the British Expeditionary Force to engage the German army outside Mons

Battle of Mons

The Battle of Mons was the first major action of the British Expeditionary Force in the First World War. It was a subsidiary action of the Battle of the Frontiers, in which the Allies clashed with Germany on the French borders. At Mons, the British army attempted to hold the line of the...

; four patrolling German cavalrymen of the 2nd Kuirassiers were surprised by two full troops of British cavalry, and after a brief pursuit several were killed, the Dragoons thereby firing the first United Kingdom shots of the war.

In 1921, it was retitled the 4th Royal Irish Dragoon Guards and in 1922 was amalgamated with 7th Dragoon Guards (Princess Royal's)

7th Dragoon Guards

The 7th Dragoon Guards was a cavalry regiment in the British Army, first raised in 1688. It saw service for three centuries, before being amalgamated into the 4th/7th Dragoon Guards in 1922....

, to form the 4th/7th Dragoon Guards.

Battle Honours

• Peninsula, Balaklava, Sevastopol, Tel-el-Kebir, Egypt 1882
• The Great War: Mons, Le Cateau, Retreat from Mons, Marne 1914, Aisne 1914, La Bassée 1914, Messines 1914, Armentières 1914, Ypres 1914 '15, St. Julien, Frezenberg, Bellewaarde, Somme 1916 '18, Flers-Courcelette, Arras 1917, Scarpe 1917, Cambrai 1917 '18, St. Quentin, Rosières, Amiens, Albert 1918, Hindenburg Line, Pursuit to Mons, France and Flanders 1914-18