[1][2] The battalion formed on 1 February 2007 as part of 52 Infantry Brigade, merging the single battalions of the Devonshire and Dorset Regiment and the Royal Gloucestershire, Berkshire and Wiltshire Regiment.

[3] The battalion then moved in August 2007, to its permanent home of Beachley Barracks at Chepstow.

[5] From March 2020, 1 RIFLES was deployed throughout Wales on Operation Rescript, supporting the UK's efforts to address the COVID-19 pandemic.

1 Rifles will return to Chepstow in the summer of 2025 to take on a new role as a Light Mechanised Battalion driving Foxhound vehicles.

Towards the end of the decade, 1 Rifles will move to new build facilities at Caerwent Barracks.