The museum claims to be "largest Regimental archive and the premier centre for military historical research in the North of England.

[2] It chronicles the men of Lancashire who fought for their country during the wars.

In all, the museum's collections cover 120 separate units, including the 59 battalions formed by the antecedent Lancashire regiments during the First World War, and all associated Militia, Rifle Volunteers, Territorials, Home Guard and Cadet units.

[3] An important exhibit is the French Imperial Eagle captured by Ensign John Pratt of the 30th Regiment of Foot from the French 22nd Régiment d'Infanterie de Ligne at the Battle of Salamanca in July 1812.

[5] This article relating to a museum in the United Kingdom is a stub.