Home›Machine Guns And Automatic Weapons›Caliber ClassBrowse ByCaliber ClassFactsCaliber ClassSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1884 1Caliber ClassSmall ArmsCaliber Class114 entriesSources1. Wikipedia: Machine guntier 2WikipediaMachine gun, History, Maxim and World War I sectionQuote, Machine gun, History, Maxim and World War I sectionThe first practical self-powered machine gun was invented in 1884 by Sir Hiram Maxim.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.