List of territory purchased by a sovereign nation from another sovereign nation

This is a list of territory which has been purchased by a sovereign nation from another sovereign nation.

Territory Purchased by Purchased from Cost Year Area Cost/Area Agreement (article)
Isle of Man, Hebrides, Kintyre and islands of the Firth of Clyde[1][2] Scotland Norway 4,000 marks sterling, 100 mark annuity 1266 ~8,000 km² ~0.5 marks sterling/km² Treaty of Perth
Estonia, Livonia, Ingria, and Southeast Finland (Kexholmslän and part of Karelian Isthmus)[3][4]  Russia  Sweden 2,000,000 silver Swedish riksdaler 1721 ~100,000 km² ~2,000 Riksdaler/km² Treaty of Nystad
Saint Croix[5][6]  Denmark-Norway  France 750,000 livres 1733 210 km² 3571 livres/km²
Louisiana[7]  United States France $15,000,000 USD 1803 2,140,000 km² 7 USD/km² Louisiana Purchase
Florida[8] United States Spain $5,000,000 USD 1819 ~200,000 km² ~5 USD/km² Adams–Onís Treaty
California, Nevada, Utah, Arizona  United States Mexico $18,250,000 USD 1848 1,360,000 km² 13.4 USD/km² Treaty of Guadalupe Hidalgo
Arizona (southern)[9]  United States  Mexico $10,000,000 USD 1853 76,800 km² 130 USD/km² Gadsden Purchase
New Mexico (southwestern)[9]
Saxe-Lauenburg[10]  Prussia  Austria 2,500,000 Danish rigsdaler[11] 1865 1,000 km² 2,500 Rigsdaler/km² Gastein Convention
Alaska[12]  United States  Russia $7,200,000 USD 1867 1,717,856 km² 4 USD/km² Alaska Purchase
Saint-Barthélemy[13]  France  Sweden 320,000 French francs 1878 21,24 km² 15 Francs/km²
Philippines  United States  Spain $20,000,000 USD 1898 300,000 km² 20 USD/km² Treaty of Paris
Caroline Islands[14]  Germany  Spain 25,000,000 ESP 1899 1,160 km² 21,551 ESP/km² German–Spanish Treaty
Palau[14]
Mariana Islands[14]
Cagayan Sulu and Sibutu  United States  Spain $100,000 USD 1900 467 km² 214 USD/km² Treaty of Washington
Virgin Islands[15] United States Denmark $25,000,000 USD 1916 400 km² 62,500 USD/km² Treaty of the Danish West Indies
Jäniskoski-Niskakoski territory[16][17]  Soviet Union  Finland 700,000,000 FIM 1947 176 km² 700 FIM/km²
Gwadar[18][19]  Pakistan  Muscat and Oman 5,500,000,000 PKR 1958 265 km² 20,754,716 PKR/km²

References
  1. Lustig, Richard I. (1979). "The Treaty of Perth: A Re-Examination". The Scottish Historical Review. jstor.org. 58 (165): 35–57. JSTOR 25529318.
  2. "Agreement between Magnus IV and Alexander III, 1266". isle-of-man.com. Retrieved 27 August 2019.
  3. Russian: РГАДА. Рукописный отдел библиотеки Московской Синодальной типографии. Фонд 381, ед.хр.805. Л.6. Original handwritten text of the Treaty of Nystad in Russian
  4. (in Russian) Ништадтский мирный договор между Россией и Швецией, 30 августа 1721 г. Text of the Treaty of Nystad in Russian
  5. "Saint Croix, Virgin Islands: Facts & History". Vinow.com. Retrieved 27 July 2017.
  6. Westergaard, Waldemar (1917). The Danish West Indies Under Company Rule (1671–1754). New York: The Macmillan Company. pp. 206–209, 222–225, 235, 243.
  7. "Louisiana Purchase, 1803". Office of the Historian, Bureau of Public Affairs.
  8. "Acquisition of Florida: Treaty of Adams-Onis (1819) and Transcontinental Treaty (1821)". Office of the Historian, Bureau of Public Affairs.
  9. "Gadsden Purchase, 1853–1854". Office of the Historian, Bureau of Public Affairs.
  10. "Herzogtum Lauenburg County (Germany)". CRW flags.
  11. Wolfgang Neugebauer (Hrsg.): Handbuch der preußischen Geschichte. Band 2: Das 19. Jahrhundert und große Themen der Geschichte Preußens. Verlag De Gruyter, Berlin 1992, ISBN 3-11-008322-1, S. 340 books.google
  12. "Purchase of Alaska, 1867". Office of the Historian, Bureau of Public Affairs.
  13. "History of St. Barthelemy Island". Wimco. Retrieved 4 July 2015.
  14. "Venta a Alemania "las islas Carolinas, las Palaos y Islas Marianas"". Contactar con el administrador de esta comunidad.
  15. "Purchase of the United States Virgin Islands, 1917". U.S. Department of State. 2008-07-21.
  16. Asetus Jäniskosken ja Niskakosken alueen liittämisestä Neuvostoliiton alueeseen sekä Suomessa olevien, Neuvostoliitolle siirtyneiden entisten saksalaisten rahavarojen käytöstä tehtyjen sopimusten voimaansaattamisesta. 9/1947, Valtiosopimukset, Finlex (in Finnish)
  17. Kosonen, Matti & Pohjonen, Juha: Isänmaan portinvartijat: Suomen rajojen vartiointi 1918-1994, s. 343-345. Rajavartiolaitoksen julkaisu. Helsinki: Otava, 1994. ISBN 951-1-13106-0. (in Finnish)
  18. "Gwadar Port finally becomes functional". The News.
  19. "About Gwadar". Jamal City Gwadar.
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