Question: When did Willibald Joseph MacDonald's birthplace 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: 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 3: Deputy Premier of Prince Edward Island: Deputy Premier of Prince Edward Island was an office created on January 13, 2010, with the appointment of its first occupier George Webster, by Premier Robert Ghiz. Webster continued in this post under Premier Wade MacLauchlan, from February 23, 2015 to May 20, 2015.
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: 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 6: Ian MacDonald (politician): Ian MacDonald, colloquially known as "Tex", is a former public school teacher, who was the 43rd Mayor of Charlottetown, Prince Edward Island, Canada.
Document 7: Hugh Havelock McLean: Born in Fredericton, New Brunswick, the son of Lauchlan and Sophia LeBrun Duplissie (Marsh) McLean, McLean was educated at the Fredericton Grammar School. He was called to the New Brunswick Bar in 1875 and created a King's Counsel in 1899. He was elected to the House of Commons of Canada for the New Brunswick electoral district of Sunbury—Queen's in the 1908 federal election. A Liberal, he was re-elected in the 1911 federal election and the 1917 federal election for the electoral district of Royal. In 1917, he crossed the floor and sat as a Unionist. From 1928 to 1935, he was the Lieutenant Governor of New Brunswick.
Document 8: Kevin S. MacLeod: Born in North Sydney, Nova Scotia, MacLeod studied at Boston University and Carleton University, where he received both his bachelor's degree in history and political science and a master's degree in international affairs, before moving on to the University of Burgundy in Dijon, France. After his return from there, MacLeod served for 10 years as an administrative assistant in the House of Commons of Canada, subsequently acting as a chief of staff for one of the then ministers of the Crown before being employed by the Department of Canadian Heritage for 22 years. Among his accomplishments in that office, MacLeod was appointed as the Chief of Protocol and then authored "A Crown of Maples/la couronne canadienne"an educational book on the Canadian monarchy, published by the heritage department.
Document 9: Murray MacLehose, Baron MacLehose of Beoch: Crawford Murray MacLehose, Baron MacLehose of Beoch, (, 16 October 1917 – 27 May 2000) was a British politician, diplomat and the 25th Governor of Hong Kong, from 1971 to 1982. He was the longest-serving governor of the colony, with four successive terms in office.
Document 10: 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 11: 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 12: 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 13: Churchill, Prince Edward Island: Churchill is a community in the Canadian province of Prince Edward Island. The community was named for Winston Churchill. It is located in the township of Lot 65, Queens County immediately west of New Haven.
Document 14: Willibald Joseph MacDonald: Willibald Joseph MacDonald (January 27, 1897 – March 17, 1977) was an educator and political figure on Prince Edward Island. He served as the 19th Lieutenant Governor of Prince Edward Island from August 1963 to October 1969.
Document 15: James Drummond McGregor: Born in New Glasgow, Nova Scotia, the son of Roderick MacGregor and Janet Chisholm, both of Scottish descent, he was mayor of New Glasgow from 1879 to 1880. In 1867, MacGregor married Elizabeth McColl. He represented Pictou County in the Nova Scotia House of Assembly from 1890 to 1894 and from 1897 to 1900. MacGregor married Roberta Ridley in 1894. In 1900, he ran unsuccessfully for the House of Commons of Canada in the riding of Pictou. MacGregor was appointed to the Senate of Canada in 1903 representing the senatorial division of New Glasgow, Nova Scotia. A Liberal, he resigned in 1910 when he was appointed lieutenant governor of Nova Scotia. He served until 1915. MacGregor died in New Glasgow at the age of 79.
ground_truth: 1873
sub_queries: Willibald Joseph MacDonald >> place of birth Answer: Prince Edward Island
when did Prince Edward Island become a province Answer: 1873