Question: When did the jurisdiction of the Heritage Places Protection Act become a province?

full_context: Document 1: 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 2: National Landmarks (Canada): A National Landmark is a type of protected area in Canada. In the 1970s and 1980s, the Government of Canada envisioned establishing a system of National Landmarks in order to protect natural features considered to be "outstanding, exceptional, unique, or rare" in Canada. Such features would typically be isolated entities of scientific interest.
Document 3: 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 4: 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 5: 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 6: Heritage Places Protection Act: The Heritage Places Protection Act is a provincial statute which allows for the recognition and protection of cultural heritage and natural heritage properties in the province of Prince Edward Island, Canada.
Document 7: 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 8: Heritage Conservation Act (New Brunswick): The Heritage Conservation Act () is a provincial statute which allows for the preservation of cultural heritage properties and areas in the province of New Brunswick, Canada.
Document 9: National Parks of Canada: National Parks of Canada are protected natural spaces throughout the country that represent distinct geographical regions of the nation. Under the administration of Parks Canada, a government branch, National Parks allow for public enjoyment without compromising the area for future generations, including the management of wildlife and habitat within the ecosystems of the park. Within Parks Canada's administration is a wide range of protected areas, encompassing National Historic Sites, National Marine Conservation Areas (NMCA), and National Park Reserves.
Document 10: Legislative Council of Prince Edward Island: The Legislative Council of Prince Edward Island was the upper house of the Legislature of the Canadian province of Prince Edward Island. It existed from 1773 to 1893. Members were appointed by the Lieutenant Governor of Prince Edward Island on the advice of the Premier until 1862 when it became an elected body. In 1893, the Legislative Council and House of Assembly were amalgamated into the Legislative Assembly of Prince Edward Island, a unicameral body with an assemblyman and councillor elected from each electoral district.
Document 11: Gwaii Haanas National Marine Conservation Area Reserve and Haida Heritage Site: Gwaii Haanas National Marine Conservation Area Reserve and Haida Heritage Site is a National Marine Conservation Area of Canada. It is located off the coast of the southernmost Haida Gwaii (formerly known as the Queen Charlotte Islands), 130 kilometres off the mainland of British Columbia. It is immediately adjacent to Gwaii Haanas National Park Reserve and Haida Heritage Site. The level of protection differs from that of the National Park Reserve, however, allowing sustainable use of some natural resources in the area. Gwaii Haanas National Marine Conservation Area Reserve, which covers 3,400 square kilometres, is "a primary feeding habitat" of the humpback whale (North Pacific population) protected by Canada’s Species at Risk Act (SARA).
Document 12: 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 13: Patrimonio histórico español: Patrimonio histórico español is a term for Spain's heritage, including National Heritage Sites. The Ministry of Culture has a department, the "Subdirección General de Protección del Patrimonio Histórico" ("Bureau of Protection of Historical Heritage") which maintains a heritage register.
Document 14: List of World Heritage Sites in Portugal: The UNESCO World Heritage Sites are places of importance to cultural or natural heritage as described in the UNESCO World Heritage Convention, established in 1972. Portugal adopted the convention on 30 September 1980, making its historical sites eligible for inclusion on the list.
Document 15: 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.
ground_truth: 1873
sub_queries: Heritage Places Protection Act >> applies to jurisdiction Answer: Prince Edward Island
when did Prince Edward Island become a province Answer: 1873