It was dissolved at the outbreak of World War I as its constituent batteries were posted to other formations.

Post-war, the brigade was reformed, serving in the UK, Egypt and India before being redesignated as 1st Regiment, RHA in May 1938 at Aldershot.

Henceforth, batteries were designated in a single alphabetical sequence in order of seniority from date of formation.

It was replaced on 1 August with Z Battery (from XIV Brigade, RHA) but was in turn disbanded on 24 December.

[21][o] By the time World War I broke out, the brigade was in Ambala, India assigned to 3rd (Lahore) Division.

[25] On mobilization, A Battery was assigned to the newly formed I Indian Brigade, RHA with 1st Indian Cavalry Division (attached to 3rd (Ambala) Cavalry Brigade) and sailed for the Western Front in October 1914.

In January 1915, it joined XV Brigade, RHA at Leamington and was assigned to 29th Division.

In November 1929 it was at Newport (B Battery at Trowbridge) before moving to Abbassia, Egypt in October 1931.

In 1934 it replaced its horses and 13 pounders with 3.7" Howitzers towed by Light Dragon gun tractors.