46th Regiment of Foot

The 46th Foot were called the Duke of Cornwall's Light Infantry (DCLI) after amalgamating with the 32nd Foot in 1881.

Chronology

1741 raised as John Price's Regiment of Foot at Newcastle; known by the name of one other colonel until 1751
1747 ranked as 57th Regiment of Foot
1751 became 46th Regiment of Foot
1782 became 46th (the South Devonshire) Regiment of Foot
1881 amalgamated with the 32nd Regiment of Foot to become 2nd Battalion, The Duke of Cornwall's Light Infantry
1959 merged to become part of the Somerset and Cornwall Light Infantry
1968 amalgamated with the three other regiments of the Light Infantry Brigade to form The Light Infantry

The 46th Regiment are mentioned in the Historical records of the 91st Argyllshire Highlanders (archive.org), on a seventeen miles trek across the desert to Suez, presumably en route to India, in 1858.