claim: Yugoslavia existed during most of the 21st century.
evidence: Whitehead Light is a lighthouse on Whitehead Island , on Muscle Ridge Channel , in the southwestern entrance to Penobscot Bay , Maine .. Penobscot Bay. Penobscot Bay. Whitehead Island. Whitehead Island. lighthouse. lighthouse. Muscle Ridge Channel. Muscle Ridge Channel. Maine. Maine. It is in the town of St.George .. St.George. St. George, Maine. Established in 1807 , it is one of Maine 's oldest light stations , with its present tower built in 1852 to a design attributed to Alexander Parris .. Maine. Maine. Alexander Parris. Alexander Parris. It was listed on the National Register of Historic Places as Whitehead Light Station on March 14 , 1988 .. National Register of Historic Places. National Register of Historic Places. The property is now privately owned by Pine Island Camp , which conducts outings to the facility .. The light itself remains an active aid to navigation , maintained by the United States Coast Guard .. aid to navigation. aid to navigation. United States Coast Guard. United States Coast Guard