Accompanying the general PERSON@1 in the wars of the Emperor PERSON@2 I , he became the principal historian of the 6th century , writing the MISC@1 , the Buildings of Justinian and the celebrated Secret History .

He took part in the wars of the Emperor PERSON@2 I , and was the major historian of the 6th century AD , writing the MISC@1 , the Buildings of Justinian and the celebrated Secret History .
