It was formed as an administrative unit in 1958.

The Palafox Battalion was formed on 28 June 1937 as a unit of the 150th International Brigade.

It earned its first battle streamer during the Philippine-American War within two years of its forming as a unit.

In November 1943, he formed the Alamo Scouts as a special unit for reconnaissance and raiding.

The corps was formed as an infantry unit, and took part in watch-keeping in Rome.

A second battalion was formed in 1804, as a draft-finding unit.

This was formed as a unit of Tairunnessa Memorial Medical College in 2013.

It was formed in 1958, from the Gibraltar Defence Force, as an infantry unit, with an integrated artillery troop.

San Martin used it in every recruitment activity he led in order to form the Horse Grenadiers as a large full-time military unit.

The Jamaica Regiment was initially formed in 1954 as a unit on the British Army colonial list.