Oldest country in Europe William Lawrence Sr Omnibit 12-14-20 San Marino is the oldest country in Europe. It was founded in 301 A.D. by St. Marinus. Oldest country in Europe William Lawrence Sr Omnibit 12-14-20 Share this:PrintFacebookTwitterTelegramMeWeWhatsAppPinterestLinkedInParlerGabRedditEmailMorePocketTumblrLike this:Like Loading... Related