| Unit Name: | I Indian Brigade, RHA XVI Brigade, RHA XVI Army Brigade, RHA |
| Dates: | 12 December 1914 – April 1919 |
| Type: | Artillery |
| Size: | Battalion |
| Command Structure: | 1st Indian Cavalry Division Fourth Army |
| Battles: | World War I |
I Indian Brigade, Royal Horse Artillery was a brigade of the Royal Horse Artillery formed at the outbreak of World War I. It served with 1st Indian Cavalry Division on the Western Front. It was redesignated XVI Brigade, RHA in February 1917 and XVI Army Brigade, RHA in March 1918. It was disbanded after the war.
I Indian Brigade, RHA was formed on 12 December 1914 for the 1st Indian Cavalry Division in France. It commanded
Each battery was armed with six 13 pounder guns.
The brigade served with the 1st Indian Cavalry Division on the Western Front and the brigade commander acted as Commander Royal Horse Artillery (CRHA). In practice, the batteries were permanently assigned to the cavalry brigades, viz:
Other than the Battle of Cambrai when it helped to told the German counter-attack, the division was not involved in battle. Instead, it was held in reserve in case of a breakthrough, although it did send parties to the trenches on a number of occasions. They would hold the line, or act as Pioneers; such parties were designated as, for example, the Mhow Battalion.
On 26 November 1916, 1st Indian Cavalry Division was renamed 4th Cavalry Division. Consequently, on 24 February 1917, the brigade was redesignated as XVI Brigade, RHA.
In March 1918, the 4th Cavalry Division was broken up in France. The British units remained in France and the Indian elements were sent to Egypt to help constitute 1st Mounted Division. The brigade became XVI Army Brigade, RHA. About this time the brigade's 13 pounders were replaced by 18 pounders. At the Armistice, it was serving as Army Troops with the Fourth Army commanding A, Q, and U Batteries, RHA (eighteen 18 pounders). The brigade moved to Germany as part of the Army of Occupation.
The brigade was broken up in Germany in April 1919 and the batteries returned to England. A Battery joined I Brigade, RHA at Woolwich, Q Battery joined VII Brigade, RHA at Exeter and U Battery joined IX Brigade, RHA at Trowbridge.