HAHN (Simon Frederick), a celebrated German historian. At ten years of age he was not only far advanced in the Latin, but understood several living languages. Four years after, he pronounced a speech on the origin of the cloyster at Bergen, the place of his birth, which was printed with some other pieces; and in 1708 he published a Continuation of Meibomius's Chronicle of Bergen. After having for several years given public lectures at Hail, he became, at the age of 24, professor of history at Helmstedt; and was at length counsellor, historiographer, and librarian, to the king of Great Britain, elector of Hanover. He died in 1729, aged 37.—Besides the above, and some other works, he wrote, 1. The first volume of the History of the Empire. 2. Collectio monumentorum veterum et recentium ineditorum, 2 vols. 8vo.