A cavalry regiment of the Special Reserve
1st King Edward's Horse
August 1914 : in Chelsea. Temporarily attached to 4th Cavalry Brigade.
In April 1915, the regiment was split up.
A Squadron was attached to 12th Division in May 1915, but moved to join IV Corps in June 1916.
B Squadron moved to France on 22 April 1915, and joined 48th (South Midland) Division, but moved to join IV Corps in June 1916.
C Squadron, together with HQ, moved to France on 22 April 1915, and joined 47th (London) Division, but moved to join IV Corps in June 1916.
The three Squadrons moved from IV to XVIII Corps in July 1917, returning to IV in November 1917. (This Corps then moved to Italy). In March 1918, the Squadrons moved back to France with XI Corps. In May 1918, A Squadron stayed with XI Corps, while B went to I and C to XIII.
2nd King Edward's Horse
Formed in London in August 1914. Joined the Eastern Brigade in 1st Mounted Division in December 1914. Left to join Canadian Cavalry Brigade in March 1915, and moved to France as a dismounted unit 5 May 1915.