Question: When was the county that  Manana Island is in founded?

Context articles: Vilsandi
The Prince Edward Island Highlanders
Manana Island (Maine)
Lincoln County, Maine
Padre Island
Manana Island Sound Signal Station
Oak Island, North Carolina
Hog Island (Virginia)
Monhegan, Maine
Bald Head Island Conservancy

The island of Vilsandi, Kihelkonna Parish, Saare County, Estonia is located in the Baltic Sea.
 It covers an area of some 9 square km and is the westernmost populated island in Estonia.
 The surrounding waters are shallow and rocky and many ships travelling the Baltic have perished nearby.
 The island of Vilsandi can be reached by boat, by truck having suitable clearance or on foot by wading from Saaremaa.
 Much of the island is now part of Vilsandi National Park, which grew from a bird reserve founded in 1910.
 It is a highly sensitive ecosystem due to the use of the area by many migratory birds as a breeding and nesting ground.
 Hunting is absolutely prohibited.
 This park is a popular tourist destination not only for local Estonians, but also people of Finland who are visiting Estonia in greater and greater numbers.
The Prince Edward Island Highlanders was an infantry regiment of the Canadian Army.
 Founded in 1875 as the Queen's County Provisional Battalion of Infantry, it went through several name changes, being renamed the Queen's County Battalion of Infantry in 1876, the 82nd Queen's County Battalion of Infantry in 1879, the 82nd Abegweit Light Infantry in 1906, and The Prince Edward Island Regiment in 1920.
 It acquired its final title in 1927.
 'Abegweit' is a Mi'kmaq word translating to 'cradled on the waves' as a reference to Prince Edward Island.
Manana Island is an island in Lincoln County, Maine, United States, lying adjacent to Monhegan island, about 10 mi off Pemaquid Point on the mainland.
 The island is part of the Plantation of Monhegan.
Lincoln County is a county located in the U.S. state of Maine.
 As of the 2010 census, the population was 34,457.
 Its county seat is Wiscasset.
 The county was founded in 1760 from a portion of York County, Massachusetts and named after the English city Lincoln, the birthplace of Massachusetts Bay Provincial Governor Thomas Pownall.
Padre Island is the largest of the Texas barrier islands and is the world's longest barrier island.
 It is part of the U.S. state of Texas.
 The island is located along Texas' southern coast of the Gulf of Mexico and is noted for its white sandy beaches at the south end.
 Meaning "father" in Spanish, it was named after Father José Nicolás Ballí (c.1770-1829), who owned the island and served as a missionary priest and collector of finances for all the churches in the Rio Grande Valley.
 He also founded the first mission in present-day Cameron County.
The Manana Island Sound Signal Station is an active fog signal station on Manana Island, Maine, United States.
 Established in 1855, it is one of the only separately managed fog signals in the United States, having been operationally independent of Monhegan Island Light for most of its existence.
 It is also home to the only known fog signal trumpet tower, built in 1889.
 The station was listed on the National Register of Historic Places as Manana Island Fog Signal Station in 2002.
Oak Island is a seaside town located mostly on the barrier island of Oak Island (which also contains the town of Caswell Beach), in Brunswick County, North Carolina, United States.
 The town extends onto the mainland north of the island's bridge.
 The population was 6,783 at the 2010 census.
 It was founded in 1999 by the consolidation of the towns of Long Beach and Yaupon Beach.
 Its main industry is tourism; the town has an average summer population of 30-50,000.
Hog Island is one of the Virginia Barrier Islands located southeast of Exmore in Northampton County, Virginia, and is a part of the Virginia Coast Reserve of The Nature Conservancy.
 The island, then known as Machipongo Island was first settled in 1672 by a group of 22 English colonists.
 The island was later abandoned and remained uninhabited until around the time of the American Revolution when it was resettled.
 In the late 1800's, at least five lavish hunting and fishing clubs that primarily catered to wealthy sportsmen from the Northeast were established on Virginia's barrier islands; one of the largest was in the town of Broadwater, Virginia, on Hog Island.
 Founded in the mid-19th century the town was located in a pine forest two miles from the ocean in the center of the island.
 In the 1930s when rapid beach erosion caused by several hurricanes that flooded the entire island made its continued existence untenable, many of the houses and other buildings in the town of Broadwater were floated by barge to the mainland and still stand in the towns Willis Wharf, Virginia and Oyster, Virginia today.
Monhegan is a plantation in Lincoln County, Maine, United States, about 12 nmi off the mainland.
 The population was 69 at the 2010 census.
 The plantation comprises its namesake island and the uninhabited neighboring island of Manana.
 The island is accessible by scheduled boat service from Boothbay Harbor, New Harbor and Port Clyde.
 It was designated a National Natural Landmark for its coastal and island flora in 1966.
The Bald Head Island Conservancy (BHIC) is a non-profit organization founded November 7, 1983.
 BHIC's mission is barrier island conservation, preservation and education.
 It is located in the Smith Island Complex in Brunswick County, North Carolina, which includes Bald Head Island, Middle and Bluff Islands, all of which are bounded by the Cape Fear River and the Atlantic Ocean.
 BHIC sponsors and facilitates scientific research that benefits coastal communities and provides numerous recreational and educational activities for students, educators, visitors, and residents.
 In coordination with various organizations, partnerships and collaborations, the Conservancy has led the nation in conservation and research efforts and is uniquely poised to become a leader in Barrier Island Conservation world-wide.