A unilateral declaration of independence (UDI) is a formal process leading to the establishment of a new state by a subnational entity which declares itself independent and

sovereign ''Sovereign'' is a title which can be applied to the highest leader in various categories. The word is borrowed from Old French , which is ultimately derived from the Latin , meaning 'above'. The roles of a sovereign vary from monarch, ruler or ...

without a formal agreement with the state which it is seceding from. The term was first used when Rhodesia declared independence in 1965 from the United Kingdom (UK) without an agreement with the UK.

Examples

Prominent examples of a unilateral declaration of independence other than

Rhodesia Rhodesia (, ), officially from 1970 the Republic of Rhodesia, was an unrecognised state in Southern Africa from 1965 to 1979, equivalent in territory to modern Zimbabwe. Rhodesia was the ''de facto'' successor state to the British colony of So ...

UDI Udi may refer to: Places * Udi, Enugu, a local government areas and city in Nigeria * Udi, a place in the Etawah district of Uttar Pradesh, India People * Udi Gal (born 1979), Israeli Olympic sailor * Udi Vaks (born 1979), Israeli Olympic judoka ...

in 1965 include that of the United States in 1776, the

Irish Declaration of Independence The Declaration of Independence ( ga, Forógra na Saoirse, french: link=no, Déclaration d'Indépendance) was a document adopted by Dáil Éireann, the revolutionary parliament of the Irish Republic, at its first meeting in the Mansion House, D ...

of 1919 by a revolutionary parliament, Katanga's declaration of independence by Moise Tshombe in July 1960, the attempted secession of

Biafra Biafra, officially the Republic of Biafra, was a partially recognised secessionist state in West Africa that declared independence from Nigeria and existed from 1967 until 1970. Its territory consisted of the predominantly Igbo-populated f ...

from Nigeria in 1967, the

Bangladeshi declaration of independence The independence of Bangladesh was declared on 26 March 1971 at the onset of the Bangladesh Liberation War by Bangabandhu Sheikh Mujibur Rahman; the following day the declaration was broadcast by Major Ziaur Rahman in a radio broadcast. On ...

from Pakistan in 1970, the (internationally unrecognized) secession of the

Turkish Republic of Northern Cyprus Northern Cyprus ( tr, Kuzey Kıbrıs), officially the Turkish Republic of Northern Cyprus (TRNC; tr, Kuzey Kıbrıs Türk Cumhuriyeti, ''KKTC''), is a ''de facto'' state that comprises the northeastern portion of the island of Cyprus. Reco ...

from

Cyprus Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is ...

in 1983, the Palestinian Declaration of Independence from the

Palestinian territories The Palestinian territories are the two regions of the former British Mandate for Palestine that have been militarily occupied by Israel since the Six-Day War of 1967, namely: the West Bank (including East Jerusalem) and the Gaza Strip. The ...

in 1988, and that of the

Republic of Kosovo Kosovo ( sq, Kosova or ; sr-Cyrl, Косово ), officially the Republic of Kosovo ( sq, Republika e Kosovës, links=no; sr, Република Косово, Republika Kosovo, links=no), is a international recognition of Kosovo, partiall ...

in 2008. During the break up of the Soviet Union throughout 1991, many of its republics declared their independence unilaterally without agreement and were thus not recognised as legitimate by the Soviet central government. During the

breakup of Yugoslavia The breakup of Yugoslavia occurred as a result of a series of political upheavals and conflicts during the early 1990s. After a period of political and economic crisis in the 1980s, constituent republics of the Socialist Federal Republic of Yu ...

, the government of the United States asked the governments of

Slovenia Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, and ...

and

Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = " Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capi ...

to drop their UDI plans because of the threat of major war erupting in the

Balkans The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...

because of it, and threatened that it would oppose both countries' UDIs on the basis of the

Helsinki Final Act The Helsinki Final Act, also known as Helsinki Accords or Helsinki Declaration was the document signed at the closing meeting of the third phase of the Conference on Security and Co-operation in Europe (CSCE) held in Helsinki, Finland, between ...

if they did so. However, four days later both Slovenia and Croatia announced their UDIs from

Yugoslavia Yugoslavia (; sh-Latn-Cyrl, separator=" / ", Jugoslavija, Југославија ; sl, Jugoslavija ; mk, Југославија ;; rup, Iugoslavia; hu, Jugoszlávia; rue, label= Pannonian Rusyn, Югославия, translit=Juhoslavij ...

.Florian Bieber, Džemal Sokolović. ''Reconstructing multiethnic societies: the case of Bosnia-Herzegovina''. Ashgate, 2001. Pp. 41.

Legal aspects

The

International Court of Justice The International Court of Justice (ICJ; french: Cour internationale de justice, links=no; ), sometimes known as the World Court, is one of the six principal organs of the United Nations (UN). It settles disputes between states in accordan ...

, in a 2010 advisory opinion, declared that unilateral declarations of independence were not illegal under international law.

References

{{Reflist, 2

Examples

Legal aspects

See also

References