 Complete the following phrase:  After the French were driven out of Spain, Merlin received promotion to general of division in the French army on 5 January 1814. After being placed in charge of the central cavalry depot on 21 January and in command of some National Guard units on 31 January, he assumed command of a cavalry division on 11 February. At about this time, Emperor Napoleon reorganized his cavalry, forming the I Cavalry Corps from the divisions of Merlin and Étienne Tardif de Pommeroux de Bordesoulle with Bordesoulle in command of the corps. Merlins 1st Light Cavalry Division first appeared in the order of battle during the 