In December 1936, the 3rd Dragoons were amalgamated with The Peterborough Rangers to form The Prince of Wales Rangers (Peterborough Regiment).

[1][2][3][4] The 3rd Dragoons were originally formed on 30 April 1875, as the 3rd Provisional Regiment of Cavalry.

[1][2][3][5] On 1 January 1893, the regiment were for the final time Redesignated as the 3rd The Prince of Wales' Canadian Dragoons.

[1][2][3][5][6] During the post-WWI years, the 3rd Dragoons were authorized a Reserve unit under Canadian Militia General Order 185 dated 1 November 1920.

[2][3] On 15 December 1936, as part of the 1936 Canadian Militia Reorganization,[7] the 3rd Prince of Wales' Canadian Dragoons were Amalgamated with The Peterborough Rangers along with the Headquarters and "C" Company of the 4th Machine Gun Battalion, Canadian Machine Gun Corps, to form The Prince of Wales Rangers (Peterborough Regiment) (now the 50th Field Artillery Regiment (The Prince of Wales Rangers), RCA which is currently on the Supplementary Order of Battle).