The 1st King's Mounted Rifles were a light cavalry regiment of the Royal Prussian Army from 1901 to 1918.
When the Imperial German Army was reorganized as the Reichsheer, 'A Squadron'/'10th Horse' became bearer of the regiment's tradition.
The 1st King's Mounted Rifles belonged to the V Army Corps and was garrisoned in Posen.
When the regiment was mobilized in 1914, it formed 10th Cavalry Brigade.
This article about a specific German military unit is a stub.