Antoine Henri Jomini[?], general, wrote on the Napoleonic Wars including Precis de l'Art de la Guerre (Precis on the Art of War) and Traité des grandes opérations militaires (Treatise on Grand Military Operations)
... DB is a French automobile maker; see DB (car)
DB is the abbreviation for Deutsche Bahn, the major German railway company
DB is the abbreviation of Dominion ...