paragraph_text: In the 19th century, the Tsarist Government of the Russian Empire claimed that Ukrainian was merely a dialect of Russian and not a language on its own. The differences were few and caused by the conquest of western Ukraine by the Polish-Lithuanian Commonwealth. However, the dialects in Ukraine eventually differed substantially from the dialects in Russia.

paragraph_text: Swedish Ingria (, ‘land of Ingrians’) was a dominion of the Swedish Empire from 1583 to 1595 and then again from 1617 to 1721, when it was ceded to the Russian Empire in the Treaty of Nystad.

paragraph_text: All Summer and Winter Olympic medals of the Soviet Union and the Russian Empire were inherited by Russia, but not combined together with the medal count of the Russian Federation.

paragraph_text: Vladimir Karapetoff (January 8, 1876 in Saint Petersburg, Russian Empire – January 11, 1948) was a Russian-American electrical engineer, inventor, professor, and author.

paragraph_text: A governorate, or a guberniya (Russian: губе́рния, IPA: [ɡʊˈbʲɛrnʲɪjə]; also romanized gubernia, guberniia, gubernya), was a major and principal administrative subdivision of the Russian Empire and the early Russian SFSR and Ukrainian SSR. The term is usually translated as government, governorate, or province. A governorate was ruled by a governor (губернатор, gubernator), a word borrowed from Latin gubernator, in turn from Greek kybernetes. Sometimes the term guberniya was informally used to refer to the office of a governor.

paragraph_text: Jussi Jaakko Saukkonen (until 1948 Johan Jaakoppi; 17 February 1905, Oulu – 6 April 1986, Helsinki) was a Finnish politician and a Member of the Parliament of Finland.

paragraph_text: 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.

paragraph_text: Jaakko Tähtinen (1904–1970) was a Finnish architect based in Tampere, a large city in southern Finland. He established the Tähtinen architectural practice and designed both residential and commercial buildings in Tampere and also in other cities including Kuopio.

paragraph_text: The Russian Empire (Russian: Россійская Имперія, tr. Rossiyskaya Imperiya) or simply Russia (Russian: Россія, tr. Rossiya) was an empire that existed across Eurasia and North America from 1721, following the end of the Great Northern War, until the Republic was proclaimed by the Provisional Government that took power after the February Revolution of 1917.

paragraph_text: Zangezursky Uyezd () was one of the "uyezds" (administrative units) of Elisabethpol Governorate of the Russian Empire with its center in Goris from 1868 until its formal abolition in 1921 by Soviet authorities.

paragraph_text: Charge of the Light Brigade Part of Battle of Balaclava, Crimean War The Charge of the Light Brigade at Balaklava by William Simpson (1855), illustrating the Light Brigade's charge into the ``Valley of Death ''from the Russian perspective. Date 25 October 1854 Location 44 ° 32 ′ 16'' N 33 ° 37 ′ 27 ''E ﻿ / ﻿ 44.53778 ° N 33.62417 ° E ﻿ / 44.53778; 33.62417 Result Russian victory Belligerents British Empire French Empire Russian Empire Commanders and leaders James Brudenell, 7th Earl of Cardigan Armand - Octave - Marie d'Allonville Pavel Liprandi Strength About 670 (Adkin: 668; Brighton:`` at least'' 666) Unknown Casualties and losses 110 killed 161 wounded Unknown

paragraph_text: Irène Mélikoff (7 November 1917 – 8 January 2009) was a Russian-born French Turkologist with Azerbaijani ancestry. She was born in Petrograd, Russian Empire.

paragraph_text: Tver Viceroyalty (, "Tverskoye namestnichestvo") was an administrative division of the Russian Empire, which existed from 1775 until 1796. Its seat was in Tver. In 1796, it was transformed to Tver Governorate.

paragraph_text: The Kazan Governorate (; ; , "Husan kĕperniĕ"), or the Government of Kazan, was a governorate (a "guberniya") of the Tsardom of Russia, the Russian Empire, and the Russian SFSR from 1708–1920, with its seat in the city of Kazan.

paragraph_text: A duma (дума) was a Russian assembly with advisory or legislative functions. The term comes from the Russian verb думать (dumat ') meaning ``to think ''or`` to consider''. The first formally constituted duma was the State Duma introduced into the Russian Empire by Tsar Nicholas II in 1905. The Tsar dismissed the first duma within 75 days and re-elected second duma within three months. It was dissolved in 1917 during the Russian Revolution. Since 1993, the State Duma is the lower legislative house of the Russian Federation.

paragraph_text: On January 25, 1918 the third meeting of the All-Russian Congress of Soviets renamed the unrecognized state the Soviet Russian Republic. The Treaty of Brest-Litovsk was signed on March 3, 1918, giving away much of the land of the former Russian Empire to Germany in exchange for peace during the rest of World War I. On July 10, 1918, the Russian Constitution of 1918 renamed the country the Russian Socialist Federative Soviet Republic. By 1918, during the Russian Civil War, several states within the former Russian Empire seceded, reducing the size of the country even more.

paragraph_text: The Alaska Purchase (Russian: Продажа Аляски, tr. Prodazha Alyaski) was the United States' acquisition of Alaska from the Russian Empire on March 30, 1867, by a treaty ratified by the United States Senate, and signed by President Andrew Johnson.

paragraph_text: Marko Jaakko Tapani Wahlman (born 6 April 1969 in Pori) is a retired male hammer thrower from Finland. His personal best throw was 78.39 metres, which he achieved in July 1999 in Lappeenranta.

paragraph_text: Angel Ivanovich Bogdanovich (, October 14 [o.s. 2], 1860, Vitebsk Governorate, Russian Empire (modern Belarus) - April 6 [o.s. March 24], 1907, Saint Petersburg, Russian Empire) was a Russian literary critic, publicist and social activist, originally a narodnik, later an active member of the Legal Marxists' political group.

paragraph_text: Potapy Emelianov (1884, Ufa, Guberniya, Russian Empire – 14 August 1936, Karelian ASSR, USSR) was a Russian Catholic priest and confessor who entered into communion with Rome from the Old Ritualist tradition of Russian Orthodoxy with his entire parish.

Question: When did Jaakko Tahtinen's home country join the Russian Empire?
Answer: 1809