Later, when King Vajiravudh ascended the throne he was accepted as a special commander of the Regiment which His Majesty's color is blue.

The Royal Guards were established by King Mongkut (Rama IV) of Siam to serving and protect the monarchy by acting as a custody unit and supervise the safety situation neatness in the fence around the royal court, which led to commoners referring to them as the "Tahan Lorm Wang" (The palace bodyguards).

[2] In the past political history of The 11th Infantry Regiment is considered an important role.

Especially when any event occurs which led to the undermining of national security, then the 11th Infantry Regiment would take him to join one of the main forces of security as in the past such as Boworadet rebellion, Franco-Thai War, Manhattan Rebellion including Communist insurgency in Thailand.

[5] Then, on 23 April 2019, the unit has renamed again to 11th Infantry Regiment, King's Close Bodyguard.