1) Chronicler of events 2) Historian 3) Historian of a sort 4) Historiographer 
• (n.) A writer of annals.
any of the Roman historians prior to Livy (1st century –1st century ) who drew up the conventional history of Rome from the foundation of the city. ... [1 related articles]
An'nal·ist noun [ Confer French annaliste .] A writer of annals. « The monks . . . were the only annalists in those ages. Hume. » 
[n] - a historian who writes annals
annalist (AN uh list) 1. Someone who writes records of events arranged chronologically by each year or by successive years; a chronicler: 'The annalist wrote a series of chronicles about the events that took place during the existence of the club.' 2. A writer, or historian, who compiles the records and reports of an organization or a learne...
noun a historian who writes annals
a chronicler of events, esp. yearly ones; historian.