sentences:  The Ohio National Guard can be traced back to the initial settlement at Marietta, Ohio, in July 1788.Rooted in the English and early colonial tradition of citizen-soldiers providing local protection and law enforcement, these Revolutionary War veterans and their families quickly organized into local militia units.The federal government passed the Militia Act of 1792 which required all able bodied men ages 18 to 45 to serve in their local militia units and provide their own weapons and equipment.