National unifications

process in 1990 in which the German Democratic Republic became part of the Federal Republic of Germany

creation of the politically and administratively integrated nation of Italy (1815–1871)

thumb|upright|Austrian citizens gather on the Heldenplatz to hear Hitler's declaration of annexation. thumb|upright|right|Territory of the Nazi Germany|German Reich and Austria before the Anschluss

creation of a politically and administratively integrated nation state of German-speaking populations on 18 January 1871, in the form of the German Empire

Acts of Parliament creating the United Kingdom of Great Britain

acts of the Parliament of Great Britain and the Parliament of Ireland which united the Kingdom of Great Britain and the Kingdom of Ireland to create the United Kingdom of Great Britain and Ireland

potential unification of North Korea and South Korea into a single Korean state

irredentist concept aiming to establish a Greek state encompassing all historically Greek-inhabited areas

movement for uniting Moldova and Romania

former union between the Kingdom of Poland and the Grand Duchy of Lithuania (1385–1569)

ongoing dispute between Greek Cypriots and Turkish Cypriots

process by which the British colonies of Canada, Nova Scotia, and New Brunswick were united into one Dominion of Canada on July 1, 1867

border which separated the territories of the FRG and the GDR

1919 agreement of the two Ukrainian People's Republics

Italian nationalist movement

United Nations proposal to resolve the Cyprus dispute

1990 merger of the People's Democratic Republic of Yemen (South Yemen) and the Yemen Arab Republic (North Yemen) into a single state, forming the Republic of Yemen

concept of unified greater India

House of Saudi Arabia kingdom claim

irredentist concept of uniting historicaly Azerbaijani-inhabited territories into Azerbaijan

proposition that all of Ireland should be a single sovereign state

process by which six separate British self-governing colonies became the country of Australia

1885 unification of the Principality of Bulgaria and Eastern Rumelia

potential union of the People's Republic of China and Taiwan

annexation of Transylvania into Romania in 1918

Zhang Xueliang's announcement on 29 December 1928 on replacing all banners of the Beiyang government in Manchuria with the flag of the Nationalist government, thus nominally uniting China under one state

1920 plebiscite used to determine the border between Denmark and Germany due to Treaty of Versailles.

public holiday in Vietnam marks the date of the Fall of Saigon

1859 formation of the modern Romanian state

political idea

Maphilindo (for Malaya, the Philippines, and Indonesia) was a proposed loose political association under a confederation of Malaya, Indonesia, and the Philippines.

referendum on territorial status was held in the Territory of the Saar Basin on 13 January 1935

proclaimed union in 1918, creating Greater Romania

1918 unification of the Kingdom of Romania with most ethnically Romanian territories

thumb|Graffiti in Yerevan with the outline of a united Armenia and [[Republic of Artsakh, with text in Armenian saying "Liberated, not occupied".]] thumb|Map showing the provinces of a united Armenia and Republic of Artsakh. Miatsum () was a concept and a slogan used during the Karabakh movement in the late 1980s and early 1990s, which led to the First Nagorno-Karabakh War in 1992–1994.

1918 meeting of Montenegrin officials to discuss unification with Serbia

British law which created the Union of South Africa

political unification of several kingdoms into one

irredentism

Nepalese unification campaign

hypothetical political union of Samoa and American Samoa

Wikimedia list article

campaigns in favor of USA annexation of Canada

an assembly held in Novi Sad on 25 November 1918

proposal of political union in Central America

Referendum on Åland joining Sweden

proposals since the Transnistria conflict

unification of the Caribbean island of Saint Martin

1918 assembly of ethnic Romanians in Alba Iulia

referendum in Saarland

Unification of Sweden under a monarchy

term used for the Galician-speaking territories outside of Galicia

a concept that refers to the potential reunion between India, Pakistan and Bangladesh, and by extension other states in the Indian subcontinent to create one united nation

French political movement

creation of the politically and administratively integrated Kingdom of Georgia

potential future reunification of Colombia, Venezuela, Ecuador, and Panama under a single government

1970s–1980s proposed for a federal United Ireland