History buffs and beer fanatics listen up- we've found a list of the oldest bar in each of the 50 states! The oldest bar in Michigan is the Old Tavern Inn in Niles, MI. Established in 1835, this is not just the oldest bar, but the oldest business in the Mitten. Rumor has it they serve some of the best sandwiches around too! If you want to check out the full list of all 50 states, click here!