 Middlesex Day is celebrated each year on 16 May.This commemorates the actions of the 57th (West Middlesex) Regiment in 1811, at the Battle of Albuera, during the Peninsular War.During the battle, Lieutenant-Colonel William Inglis, despite his injuries, refused to retire from the battle but remained with the regimental colours, encouraging his men with the words "Die hard 57th, die hard!"