Question: When did the location of Confederation Trail become a province?

full_context: Document 1: Prince Edward Island: Prince Edward Island Île - du - Prince - Édouard (French) Epekwitk (Mi'kmaq) Flag Coat of arms Motto (s): Latin: Parva sub ingenti (The small protected by the great) BC AB SK MB ON QC NB PE NS NL YT NT NU Confederation July 1, 1873 (8th) Capital Charlottetown Largest city Charlottetown Largest metro Charlottetown Government Lieutenant Governor Antoinette Perry Premier Wade MacLauchlan (Liberal) Legislature Legislative Assembly of Prince Edward Island Federal representation (in Canadian Parliament) House seats 4 of 338 (1.2%) Senate seats 4 of 105 (3.8%) Area Total 5,660 km (2,190 sq mi) Land 5,660 km (2,190 sq mi) Water 0 km (0 sq mi) 0% Area rank Ranked 13th 0.1% of Canada Population (2016) Total 142,907 Estimate (2018 Q1) 152,768 Rank Ranked 10th Density 25.25 / km (65.4 / sq mi) Demonym (s) Prince Edward Islander, Islander Official languages English (de facto) GDP Rank 10th Total (2011) C $5.353 billion Per capita C $36,740 (13th) Time zone Atlantic: UTC - 4 Postal abbr. PE Postal code prefix ISO 3166 code CA - PE Flower Pink lady's slipper Tree Red oak Bird Blue jay Website www.princeedwardisland.ca Rankings include all provinces and territories
Document 2: Lennox Island (Prince Edward Island): Lennox Island is an island located in Malpeque Bay off the northwest coast of Prince Edward Island, Canada. Connected by a short causeway and bridge, Lennox Island is home to the Lennox Island First Nation, of the Mi'kmaq people. The Mi'kmaq name for the island was "L'nui Minegoo", and it has been informally known by European settlers as "Indian Island".
Document 3: Geography of Prince Edward Island: Prince Edward Island's geography is mostly pastoral with red soil, white sand, and scattered communities. Known as the "Garden of the Gulf", the island is located in the Gulf of Saint Lawrence north of Nova Scotia and east of New Brunswick, with which it forms the Northumberland Strait.
Document 4: Fleur-de-lis Trail: The Fleur-de-lis Trail is a scenic roadway located on Nova Scotia's Cape Breton Island. It is approximately 263 km long and runs along the southeastern part of the island through an Acadian region.
Document 5: New Jersey Coastal Heritage Trail Route: The New Jersey Coastal Heritage Trail Route extends along eastern and southern coast of New Jersey for nearly 300 miles. It travels along the Raritan Bay from Perth Amboy to Sandy Hook, along Jersey Shore at the Atlantic Ocean to Cape May, and along the Delaware Bay to the Delaware Memorial Bridge. The trail encompasses a variety of New Jersey state parks along with facilities under the jurisdiction of the National Park Service.
Document 6: Prince Edward Island: Prince Edward Island (PEI or P.E.I.; French: Île - du - Prince - Édouard) is a province of Canada consisting of the island of the same name, and several much smaller islands. Prince Edward Island is one of the three Maritime Provinces and is the smallest province in both land area and population. It is part of the traditional lands of the Mi'kmaq, and became a British colony in the 1700s and was federated into Canada as a province in 1873. Its capital is Charlottetown. According to the 2016 census, the province of Prince Edward Island has 142,907 residents.
Document 7: New Haven, Connecticut: The Farmington Canal Trail is a rail trail that will eventually run continuously from downtown New Haven to Northampton, Massachusetts. The scenic trail follows the path of the historic New Haven and Northampton Company and the Farmington Canal. Currently, there is a continuous 14-mile (23 km) stretch of the trail from downtown, through Hamden and into Cheshire, making bicycle commuting between New Haven and those suburbs possible. The trail is part of the East Coast Greenway, a proposed 3,000-mile (4,800 km) bike path that would link every major city on the East Coast from Florida to Maine.
Document 8: Charlottetown (electoral district): Charlottetown (formerly Hillsborough) is a federal electoral district in Prince Edward Island, Canada, that has been represented in the House of Commons of Canada since 2004. The district, which includes the entire City of Charlottetown, has an area of 46 km and a population of 34,562 as of 2011.
Document 9: Coal Banks Trail: Coal Banks Trail is a 30-kilometre multipurpose recreational path in Lethbridge, Alberta, Canada. It connects all of the city's major urban parks, all three geographical areas, and many smaller parks. While
Document 10: Province House (Prince Edward Island): Province House is where the Prince Edward Island Legislature, known as the Legislative Assembly of Prince Edward Island, has met since 1847. The building is located at the intersection of Richmond and Great George Streets in Charlottetown; it is Canada's second-oldest seat of government.
Document 11: Confederation Trail: Confederation Trail is the name for a 470 kilometre recreational rail trail system in the Canadian province of Prince Edward Island.
Document 12: Pictou Island (Nova Scotia): Pictou Island is a Canadian island located in the Northumberland Strait approximately 4 NM north of Nova Scotia and 10 NM south of Prince Edward Island. Measuring 9.5 km in length and 2.5 km in width, the total area is 23.75 km. The island is administratively part of Pictou County. The island's highest elevation is 24 meters (78 feet) above sea level, and its current full-time residents population (as of 2016) stands at 28, with the seasonal population rising and lowering.
Document 13: Glacial Lakes State Trail: The Glacial Lakes State Trail is a multi-use recreational rail trail in south-central Minnesota, USA. Developed from a former Burlington Northern Railroad grade, it traverses a landscape of lakes and gently rolling hills formed 10,000 years ago during the last glacial period. The trail currently extends from outside Willmar through the communities of Spicer, New London, and Hawick to the North Fork Crow River. Beyond that the undeveloped railbed is open for some recreational uses for another through the city of Richmond, but some of the original railroad bridges are closed. The developed section is continuously paved, with parallel grass trackways or shoulders for horseback riding along the whole route. Bicyclists can connect to a roadside route to access Sibley State Park.
Document 14: London: Walking is a popular recreational activity in London. Areas that provide for walks include Wimbledon Common, Epping Forest, Hampton Court Park, Hampstead Heath, the eight Royal Parks, canals and disused railway tracks. Access to canals and rivers has improved recently, including the creation of the Thames Path, some 28 miles (45 km) of which is within Greater London, and The Wandle Trail; this runs 12 miles (19 km) through South London along the River Wandle, a tributary of the River Thames. Other long distance paths, linking green spaces, have also been created, including the Capital Ring, the Green Chain Walk, London Outer Orbital Path ("Loop"), Jubilee Walkway, Lea Valley Walk, and the Diana, Princess of Wales Memorial Walk.
Document 15: Prince Edward Island Railway: Construction began in 1871 but costs almost bankrupted the government by the next year, a problem that helped pave PEI's entrance into Confederation. The work was picked up by the Canadian Government Railways and largely completed by the mid-1880s. The PEIR saw heavy use, especially during World War II, but like many railways saw declining use through the 1970s. The line officially closed on 31 December 1989 and the rails removed between 1990 and 1992, with the provincial government receiving a one - time payment of $200 million to upgrade the road network in exchange for not opposing the closure.
ground_truth: 1873
sub_queries: Confederation Trail >> located in the administrative territorial entity Answer: Prince Edward Island
when did Prince Edward Island become a province Answer: 1873