Question: When did the country where SaPKo is located join the Russian Empire?

full_context: Document 1: Jacksonville Ice: The facility served as the home arena for the Jacksonville Bullets, which were owned by Jacksonville Ice owner Bob Sabourin. Later, the Jacksonville Barracudas of the Southern Professional Hockey League (SPHL) used it for training and as an alternate arena when scheduling conflicts precluded them from using their usual venue, the Jacksonville Veterans Memorial Arena. The Barracudas would later play their 2007–2008 season at the rink. The facility has also been used by the various amateur hockey and ice skating clubs, and by the University of Florida Gators club hockey team.
Document 2: Savonia University of Applied Sciences: Savonia University of Applied Sciences (Finnish: Savonia-ammattikorkeakoulu) is a local municipality-owned Finnish institution of higher education based in the cities of Kuopio, Iisalmi and Varkaus.
Document 3: Jakobstads BK: Jakobstads BK, also known as JBK, is a Finnish soccer team from Jakobstad currently playing in Kakkonen, a third tier soccer league in Finland. The club's home venue is Västra plan and the head coach is Craig Ramsay.
Document 4: Russian language: The language was first introduced in North America when Russian explorers voyaged into Alaska and claimed it for Russia during the 1700s. Although most colonists left after the United States bought the land in 1867, a handful stayed and preserved the Russian language in this region to this day, although only a few elderly speakers of this unique dialect are left. Sizable Russian-speaking communities also exist in North America, especially in large urban centers of the U.S. and Canada, such as New York City, Philadelphia, Boston, Los Angeles, Nashville, San Francisco, Seattle, Spokane, Toronto, Baltimore, Miami, Chicago, Denver and Cleveland. In a number of locations they issue their own newspapers, and live in ethnic enclaves (especially the generation of immigrants who started arriving in the early 1960s). Only about 25% of them are ethnic Russians, however. Before the dissolution of the Soviet Union, the overwhelming majority of Russophones in Brighton Beach, Brooklyn in New York City were Russian-speaking Jews. Afterward, the influx from the countries of the former Soviet Union changed the statistics somewhat, with ethnic Russians and Ukrainians immigrating along with some more Russian Jews and Central Asians. According to the United States Census, in 2007 Russian was the primary language spoken in the homes of over 850,000 individuals living in the United States.
Document 5: Russian language: As the Grand Duchy of Finland was part of the Russian Empire from 1809 to 1918, a number of Russian speakers have remained in Finland. There are 33,400 Russian-speaking Finns, amounting to 0.6% of the population. Five thousand (0.1%) of them are late 19th century and 20th century immigrants or their descendants, and the remaining majority are recent immigrants who moved there in the 1990s and later.[citation needed] Russian is spoken by 1.4% of the population of Finland according to a 2014 estimate from the World Factbook.
Document 6: PalaSavelli: PalaSavelli is an indoor sporting arena located in Porto San Giorgio, Italy. The capacity of the arena is 3,800 people. It is currently home of the Sutor Basket Montegranaro basketball team.
Document 7: Russian language: According to figures published in 2006 in the journal "Demoskop Weekly" research deputy director of Research Center for Sociological Research of the Ministry of Education and Science (Russia) Arefyev A. L., the Russian language is gradually losing its position in the world in general, and in Russia in particular. In 2012, A. L. Arefyev published a new study "Russian language at the turn of the 20th-21st centuries", in which he confirmed his conclusion about the trend of further weakening of the Russian language in all regions of the world (findings published in 2013 in the journal "Demoskop Weekly"). In the countries of the former Soviet Union the Russian language is gradually being replaced by local languages. Currently the number speakers of Russian language in the world depends on the number of Russians in the world (as the main sources distribution Russian language) and total population Russia (where Russian is an official language).
Document 8: Russian language: Ethnic Russians constitute 25.5% of the country's current population and 58.6% of the native Estonian population is also able to speak Russian. In all, 67.8% of Estonia's population can speak Russian. Command of Russian language, however, is rapidly decreasing among younger Estonians (primarily being replaced by the command of English). For example, if 53% of ethnic Estonians between 15 and 19 claim to speak some Russian, then among the 10- to 14-year-old group, command of Russian has fallen to 19% (which is about one-third the percentage of those who claim to have command of English in the same age group).
Document 9: Kisapuisto: Kisapuisto is an arena in Lappeenranta, Finland. It is primarily used for ice hockey, and is the home arena of SaiPa. It opened in 1972 and holds 4,847 people.
Document 10: Russian language: Significant Russian-speaking groups also exist in Western Europe. These have been fed by several waves of immigrants since the beginning of the 20th century, each with its own flavor of language. The United Kingdom, Spain, Portugal, France, Italy, Belgium, Greece, Brazil, Norway, and Austria have significant Russian-speaking communities. According to the 2011 Census of Ireland, there were 21,639 people in the nation who use Russian as a home language. However, of this only 13% were Russian nationals. 20% held Irish citizenship, while 27% and 14% were holding the passports of Latvia and Lithuania respectively.
Document 11: Modo Hockey: Modo Hockey (or MODO with uppercase letters) is a professional ice hockey club in Örnsköldsvik, Sweden. The team plays in Sweden's second-tier league HockeyAllsvenskan. The club was founded in March 1921 and has won two SHL championships; in 1979 and 2007. The team's home arena is the Fjällräven Center (previously known as "Swedbank Arena") since 2006. Before then, the team played at Kempehallen, beginning in 1964.
Document 12: Russian language: In Georgia Russian has no official status, but it's recognised as a minority language under the Framework Convention for the Protection of National Minorities. According to estimates from Demoskop Weekly, in 2004 there were 130,000 native speakers of Russian in the country, and 1.7 million active speakers. 27% of the population was fluent in Russian in 2006, and 1% used it as the main language with family, friends or at work. Russian is the language of 9% of the population according to the World Factook. Ethnologue cites Russian as the country's de facto working language.
Document 13: Jokerit: Helsingin Jokerit (English: Jokers or Jesters) is a professional ice hockey team based in Helsinki, Finland. They are members of the Bobrov Division of the Western Conference of the Kontinental Hockey League (KHL). The team won six league championships as a member of the Finnish SM-liiga (1973, 1992, 1994, 1996, 1997, and 2002). Jokerit plays its home games at the Hartwall Arena. They joined the Kontinental Hockey League (KHL) as of the 2014–15 KHL season, making Finland the first Nordic country to have a team in the league.
Document 14: Russian language: In Kazakhstan Russian is not a state language, but according to article 7 of the Constitution of Kazakhstan its usage enjoys equal status to that of the Kazakh language in state and local administration. According to estimates from Demoskop Weekly, in 2004 there were 4,200,000 native speakers of Russian in the country, and 10 million active speakers. 63% of the population was fluent in Russian in 2006, and 46% used it as the main language with family, friends or at work. According to a 2001 estimate from the World Factbook, 95% of the population can speak Russian. Large Russian-speaking communities still exist in northern Kazakhstan, and ethnic Russians comprise 25.6% of Kazakhstan's population. The 2009 census reported that 10,309,500 people, or 84.8% of the population aged 15 and above, could read and write well in Russian, as well as understand the spoken language.
Document 15: SaPKo: Savonlinnan Pallokerho (SaPKo) is an ice hockey team from Savonlinna, Finland, playing in the Mestis league. It plays its home matches in Winter Salon rink.
ground_truth: 1809
sub_queries: SaPKo >> country Answer: Finland
When did Finland join the Russian Empire? Answer: 1809