List of territorial disputes

Columns: Territory | Former claimants | Dispute started | Dispute settled | Notes
Pytalovo ( Abrene in Latvia ) | Russia Latvia | 1991 | 2007 | Pytalovo was a village in the parish of Vyshgorogok , the westernmost part of the Ostrov uyezd , Governorate of Pskov that was ceded from RSFSR to Latvia under the Treaty of Riga ( 1920 ) along with parishes of Kachanovo and Tonkovo . In 1940 Latvian Republic was annexed by the Soviet Union and Latvian SSR was established , encompassing the above named territories until 1944 when they were transferred to the district of Ostrov , Pskov Oblast , RSFSR . Since 1991 reestablished Republic of Latvia disputed Russian jurisdiction over the region until the border treaty with Russia was signed in 2007 | Ivangorod , Izborsk and Pechorsky District | Russia Estonia | 1991 | 2007 | As of 1916 , Ivangorod , the eastern suburb of Narva , constituted the westernmost town of the St.Petersburg Governorate on the border with the Governorate of Estonia . Towns of Pechory and Izborsk with respective parishes were the westernmost parts of the Governorate of Pskov . Under the Treaty of Tartu , 1920 the above territories were ceded from RSFSR to the newly-established Republic of Estonia that was annexed by the USSR in 1940 as the Estonian SSR . In 1944 with two decrees of the USSR supreme Council the city of Narva and vicinity was split along Narova river leaving Narva with Estonia and Ivangorod with the Leningrad oblast . Pechory , Izborsk and Panikovichi with respective parishes as well as certain areas of Slobodskaya parish were transferred to the Pskov Oblast . Exception was made for some rural areas of the borderland populated by ethnic Estonians leaving these with Estonian SSR . After the fall of the Soviet Union this caused a territorial dispute that was resolved with a Russian-Estonian Border Treaty . Some sources argue Estonia might have claims in the area | Sevastopol | Russia Ukraine | 1993 | 1997 | On July 28 , 1993 , one of the leaders of the Russian Society of Crimea , Viktor Prusakov , stated that his organisation was ready for an armed mutiny and establishment of the Russian administration in Sevastopol . In May 1997 , Russia and Ukraine signed the Peace and Friendship Treaty , ruling out Moscow 's territorial claims to Ukraine | Black Sea and Snake Island | Ukraine Romania | 2004 | 2009 | In 2004 Romania filed a case to International Court of Justice claiming that Ukraine 's Snake Island was an uninhabitable rock under UNCLOS standards and thus not eligible to carry influence over determination of the maritime boundary between the two states . During the Soviet times the island was a small naval station with a lighthouse . In 2007 the Ukrainian parliament approved an establishment of a small hamlet ( settlement ) there , Bile , as part of Vylkove city Odessa Region . The maritime boundary issue was settled by the International Court of Justice in 2009 | Vilnius Region | Lithuania Poland | 1920 | 1945 | During the Polish-Soviet War Polish armies entered the Vilnius Region which was at the time part of the Soviet Lithuanian-Belorussian Soviet Socialist Republic . In 1920 , Polish General Lucjan Zeligowski led a coup and established the Republic of Central Lithuania which was annexed to the Second Polish Republic after the war as part of the historic Polish-Lithuanian Commonwealth and due to ethnic Poles in the region . Lithuania moved its capital to Kaunas while never giving up its claim to Vilnius . The Lithuanians found support in the Soviet Union for their cause signing the Soviet-Lithuanian Mutual Assistance Treaty in 1939 . Following the Soviet invasion of Poland , the region came under Soviet control and became part of the Lithuanian SSR after World War II which was followed by a large number of ethnic Poles being deported two times . Following the fall of the Soviet Union and Act of the Re-Establishment of the State of Lithuania the Vilnius region became part of Lithuania again | Passetto di Borgo in the vicinity of the Vatican City | Italy Holy See | 1870 | 1991 | Pope John Paul II recognized the sovereignty of Italy over the Passetto on May 18 , 1991

Example questions:
What is the territorial dispute start year for the territory that is is the southernmost part of Italy ? | For the territory that is a submerged volcanic island during the territorial dispute , who are the former claimants ? | What is the territorial dispute settled year for the territory in the very northwest of Bulgaria ? | What is the turkish name of the island who 's territorial dispute settled in 1923 ?

Answers:
1800 | Two Sicilies Malta France Spain | 1886 | Bozcaada