2/2nd
Mounted Division existed from March 1915; redesignated
3rd Mounted Division in March 1916, and to (new) 1st
Mounted Division in August 1916. Converted to 1st Cyclist
Division in September 1917.
Another
4th Mounted Division was formed in March 1916, and
converted to become the 2nd Cyclist Division in Augst 1916.
It was broken up in November 1916.