The Middlesex Regiment was one of the principal home counties based regiments with a long tradition. They inherited their nickname, the "Die-hards", from the 57th Regiment of Foot (West Middlesex), which later became the 1st Battalion, Middlesex Regiment.
The Middlesex Regiment, a long-standing regiment, adopted the nickname "Die-hards" from the 57th Regiment of Foot (West Middlesex), which later became the 1st Battalion, Middlesex Regiment.