Follower of uniform writer of history? (6)
I believe the answer is:
victor
I believe this is a double definition.
'follower of uniform' is the first definition.
(Victor follows Uniform in the phonetic alphabet)
'writer of history?' is the second definition.
(history is written by the victors)
(Other definitions for victor that I've seen before include "The one who wins the battle" , "Meat; complain" , "Oh dear!" , "whiskey after this" , "Winner in a contest" .)