paragraph_text: Biysky District () is an administrative and municipal district (raion), one of the fifty-nine in Altai Krai, Russia. It is located in the east of the krai and borders with Zonalny, Tselinny, Soltonsky, Krasnogorsky, Sovetsky, and Smolensky Districts, as well as with the territory of the City of Biysk. The area of the district is . Its administrative center is the city of Biysk (which is not administratively a part of the district). District's population:

paragraph_text: The Municipio XIX was an administrative subdivision of the city of Rome. Following the administrative reform of 11 March 2013, it was suppressed and merged into the new, and coextensive, Municipio XIV. Its territory is situated to the north-west part of the municipality of Rome.

paragraph_text: Khabarovsky District () is an administrative and municipal district (raion), one of the seventeen in Khabarovsk Krai, Russia. It consists of two unconnected segments separated by the territory of Amursky District, which are located in the southwest of the krai. The area of the district is . Its administrative center is the city of Khabarovsk (which is not administratively a part of the district). Population:

paragraph_text: In 1846 the Imperial administration of the Caucasus was reorganized and the Georgia-Imeretia Governorate was abolished, with its territory forming the new governorates of Tiflis and Kutais.

paragraph_text: Vilnius County () is the largest of the 10 counties of Lithuania, located in the east of the country around the city Vilnius. On 1 July 2010, the county administration was abolished, and since that date, Vilnius County remains as the territorial and statistical unit.

paragraph_text: The ZEC Bras-Coupé-Desert is a "zone d'exploitation contrôlée" (controlled harvesting zone) (ZEC), located in the unorganized territory of Lac-Pythonga in La Vallée-de-la-Gatineau Regional County Municipality, in the administrative region of Outaouais, in Quebec, in Canada.

paragraph_text: Bani Walid or Ben Walid, prior to 2007, was one of the districts of Libya, administrative town Bani Walid. In the 2007 administrative reorganization the territory formerly in Bani Walid District was transferred to Misrata District.

paragraph_text: The Neilson River flows into the territory of the municipality of Saint-Raymond, in the Portneuf Regional County Municipality, in the administrative region of the Capitale-Nationale, in Quebec, in Canada.

paragraph_text: The Biblioteca Ayacucho ("Ayacucho Library") is an editorial entity of the government of Venezuela, founded on September 10, 1974. It is managed by the "Fundación Biblioteca Ayacucho". Its name, "Ayacucho", comes from the intention to honor the definitive and crucial Battle of Ayacucho that took place December 9, 1824 between Spain and the territories of the Americas, prior to the full independence of the continent.

paragraph_text: Paea is a commune in the suburbs of Papeete in French Polynesia, an overseas territory of France in the southern Pacific Ocean. Paea is located on the island of Tahiti, in the administrative subdivision of the Windward Islands, themselves part of the Society Islands. At the 2017 census it had a population of 13,021.

paragraph_text: The Republic of Užice ( / ) was a short-lived liberated Yugoslav territory and the first liberated territory in World War II Europe, organized as a military mini-state that existed in the autumn of 1941 in occupied Yugoslavia, more specifically the western part of the Territory of the Military Commander in Serbia. The Republic was established by the Partisan resistance movement and its administrative center was in the town of Užice.

paragraph_text: In April 2014, the Marussia Motors company was disbanded, with staff leaving to join a government-run technical institute. The Marussia F1 team continued unaffected as a British entity, independent of the Russian car company. However, on 7 November 2014 the administrator announced that the F1 team had ceased trading.

paragraph_text: James Stokes Millner MD (1830 – 25 February 1875) was a medical practitioner and administrator in the early history of the Northern Territory of Australia.

paragraph_text: Tatra County () is a unit of territorial administration and local government (powiat) in Lesser Poland Voivodeship, southern Poland, on the Slovak border. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and only town is Zakopane, which lies south of the regional capital Kraków. The county takes its name from the Tatra mountain range, which covers most of its territory.

paragraph_text: Back in Warsaw that year, Chopin heard Niccolò Paganini play the violin, and composed a set of variations, Souvenir de Paganini. It may have been this experience which encouraged him to commence writing his first Études, (1829–32), exploring the capacities of his own instrument. On 11 August, three weeks after completing his studies at the Warsaw Conservatory, he made his debut in Vienna. He gave two piano concerts and received many favourable reviews—in addition to some commenting (in Chopin's own words) that he was "too delicate for those accustomed to the piano-bashing of local artists". In one of these concerts, he premiered his Variations on Là ci darem la mano, Op. 2 (variations on an aria from Mozart's opera Don Giovanni) for piano and orchestra. He returned to Warsaw in September 1829, where he premiered his Piano Concerto No. 2 in F minor, Op. 21 on 17 March 1830.

paragraph_text: Etna Township is one of seventeen townships in Kosciusko County, Indiana. As of the 2010 census, its population was 1,503 and it contained 540 housing units.

paragraph_text: The Arrondissement of Mechelen (; ) is one of the three administrative arrondissements in the Province of Antwerp, Belgium. It is both an administrative and a judicial arrondissement, as the territory for both coincides.

paragraph_text: Bogotá (/ ˈboʊɡətɑː /, / ˌbɒɡəˈtɑː /, / ˌboʊ - /; Spanish pronunciation: (boɣoˈta) (listen)), officially Bogotá, Distrito Capital, abbreviated Bogotá, D.C., and formerly known as Santafé de Bogotá between 1991 and 2000, is the capital and largest city of Colombia, administered as the Capital District, although often thought of as part of Cundinamarca. Bogotá is a territorial entity of the first order, with the same administrative status as the departments of Colombia. It is the political, economic, administrative, industrial, artistic, cultural, and sports center of the country.

paragraph_text: Warsaw Community High School is a public high school located in Warsaw, Indiana, the county seat of Kosciusko County. It is in the Warsaw Community Schools Corporation. The school's principal is Troy Akers. The current building located on State Road 15 was built in 1990.

paragraph_text: In 1949, the Territory and the Territory of New Guinea were established in an administrative union by the name of the Territory of Papua and New Guinea. That administrative union was renamed as Papua New Guinea in 1971. Notwithstanding that it was part of an administrative union, the Territory of Papua at all times retained a distinct legal status and identity; it was a Possession of the Crown whereas the Territory of New Guinea was initially a League of Nations mandate territory and subsequently a United Nations trust territory. This important legal and political distinction remained until the advent of the Independent State of Papua New Guinea in 1975.

Question: When did Chopin return to the city located in the same county as Etna Township?
Answer: September 1829