In 1689 the Lord High Admiral’s Regiment, the 3rd Foot, was disbanded. The Holland Regiment took its place as the 3rd Regiment of Foot, and Prince George of Denmark, who was the husband of Princess (later Queen) Anne and Lord High Admiral, was appointed Honorary Colonel. From 1689 until his death in 1708, and following the custom of the time, The Holland Regiment was known as Prince George of Denmark’s Regiment.
The association with Denmark then lapsed until 1906 when, on the 9th November, the birthday of King Edward VII, King Frederik VIII of Denmark was appointed Colonel-in-Chief The Buffs (East Kent Regiment), as the 3rd Foot had become. It is reasonable to suppose, although not stated in the Regimental History, that this appointment was made for two reasons: it re-established the link with the past and was also intended as a compliment to Queen Alexandra who was a Danish Princess.
Since then, successive Kings of Denmark have been Colonels-in-Chief of The Buffs during their lifetime. His late Majesty King Frederik IX became, in 1961, Colonel-in-Chief The Queen’s Own Buffs, and in 1966, Allied Colonel-in-Chief The Queen’s Regiment. The Queen's Regiment had the unique honour of having two Allied Colonels-in-Chief, the second being HM Queen Juliana of the Netherlands. After her abdication she remained Allied Colonel-in-Chief as HRH Princess Juliana until the disbandment of the regiment. This Dutch connection was inherited from The Royal Sussex Regiment and linked to the raising of the 35th Foot or Earl of Donegall's Regiment by King William III also known as King William of Orange.
Her Majesty Queen Margrethe II of Denmark assumed the appointment of Allied Colonel-in-Chief of the Queen’s Regiment on the 27th June 1972; her appointment was transferred to the Princess of Wales’s Royal Regiment on their formation day the 9th September 1992. Her Majesty assumed the appointment of Colonel-in-Chief on the 25th February 1997.