Editing Senate (section)

==Defunct and unestablished senates==
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{{See also|List of abolished upper houses}}
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1='''Abolished in favor of'''<br/>'''[[unicameral]] system'''
*1863 [[Greek Senate|Greece]]<ref group=Note>A [[Greek Senate]] was reestablished in 1927, and abolished again in 1935.</ref>
*1904 [[Santiago del Estero Province]], [[Argentina]]
*1954 [[Senate of the Maldives|Maldives]]<ref>{{cite web |last1=Zulfa |first1=Mariyam |title='Developing Constitutional Culture in the Context of Constitutional Implementation': The Case of the Maldives' First Democratic Constitution |url=https://law.unimelb.edu.au/__data/assets/pdf_file/0003/2916705/MF-2018-Maldives-Paper-FINAL-clean-formatted.pdf |website=law.unimelb.edu.au |publisher=Melbourne Forum on Constitution-Building}}</ref>
*1958 [[National Legislature (Sudan)|Sudan]]
*1966 [[Senate of Kenya|Kenya]] (restored in 2013)<ref group=Note>The Kenyan Senate and House of Representatives were combined into a single National Assembly, under the 2010 Constitution, the Senate is the upper house, with the National Assembly becoming the lower house.</ref>
*1971 [[Senate of Ceylon|Ceylon (now Sri Lanka)]]
*1979 [[Senate of Iran|Iran]]
*1990 [[Tucumán Province]], [[Argentina]]
*1981 [[Senate of South Africa|South Africa]]<ref group=Note>A South African Senate was reconvened between 1994 and 1997, before being replaced by the [[National Council of Provinces]].</ref>
*1993 [[Control Yuan|Republic of China (Taiwan)]]<ref group=Note>The [[Control Yuan]] existed as a parliamentary body in the [[Constitution of the Republic of China|1947 Chinese constitution]] which were elected by provincial legislators for a duration of 6 years. After the [[Chinese Civil War]], the government was transferred to Taiwan. In the constitutional reforms of the 1990s, the Control Yuan is now a purely auditory body, and its 29 members are nominated by the president, and confirmed by the Legislative Yuan for a duration of 6 years. Since 2005, the [[Legislative Yuan]] is now the nation's sole parliamentary body.</ref>
*2000 [[Senate of Bavaria|Bavaria]], [[Germany]]
*2001 [[Córdoba Province, Argentina#Government|Córdoba Province]], [[Argentina]]
*2017 [[Senate of Mauritania|Mauritania]]
|2=
'''Legislature disbanded'''
*603 [[Roman Senate|Roman Republic/Empire]]
*1204 [[Byzantine Senate|Byzantine Empire]]
*1865 [[Congress of the Confederate States|Confederate States of America]]
*1831–1879 [[Parliament of Montenegro|Montenegro]]
*1931–1941 [[Parliament of Yugoslavia|Yugoslavia]]
*1939 [[National Assembly (Czechoslovakia)|Czechoslovakia]]
*1947 [[Legislature of Burma|British Burma]]
*1958 [[Congress of Cuba|Cuba]]
*1959 [[Senate of Iraq|Iraq]]
*1961 [[Senate of South Korea|South Korea]]
*1969 [[Senate of Libya|Libya]]
*1972 [[Senate of Northern Ireland|Northern Ireland]] 
*1972 [[Senate of the Philippines|Philippines]] (restored in 1987)<ref group=Note name="Philippines">The Philippine Senate was abolished and restored twice. A new constitution in 1935 abolished the Senate but an amendment in 1941 restored it in 1945. In 1972, Congress was prevented from convening, and a passage of a new constitution in 1973 confirmed the abolition of the Senate; an approval of a new constitution in 1987 restored it.</ref>
*1974 [[Imperial Parliament of Ethiopia|Ethiopia]]
*1975 [[South Vietnam#Government|South Vietnam]]
*1979 [[Parliament of Rhodesia|Rhodesia]]
|3='''New [[constitution]] adopted'''
*1847 [[Senate of Costa Rica|Costa Rica]]<ref group=Note name="Costa Rica">The [http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1844.pdf 1844 Constitution of the Republic of Costa Rica] {{webarchive|url=https://web.archive.org/web/20110124215811/http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1844.pdf |date=2011-01-24 }} provided for a Senate; the [http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1847.pdf Constitution of 1847] {{webarchive|url=https://web.archive.org/web/20141129043022/http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1847.pdf |date=2014-11-29 }}, which replaced it, established a unicameral legislature. The Senate was reestablished by the [http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1859.pdf Constitution of 1859] {{webarchive|url=https://web.archive.org/web/20141129043131/http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1859.pdf |date=2014-11-29 }}; the country reverted to unicameralism with the adoption of the [http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1871.pdf 1871 Constitution] {{webarchive|url=https://web.archive.org/web/20141129043018/http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1871.pdf |date=2014-11-29 }}. Costa Rica briefly restored the Senate and bicameralism with the adoption of the [http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1917.pdf 1917 Constitution] {{webarchive|url=https://web.archive.org/web/20141129043028/http://esociales.fcs.ucr.ac.cr/materiales/civica/constituciones/const_1917.pdf |date=2014-11-29 }}, but that constitution was abrogated in 1919, whereupon the 1871 Constitution was restored; it remained in effect until 1949, when Costa Rica adopted its present Constitution, which provides for a unicameral legislature.</ref>
*1866 [[House of Nobility (Sweden)|Sweden]]
*1871 [[Senate of Costa Rica|Costa Rica]]<ref group=Note name="Costa Rica"/>
*1886 [[El Salvador]]{{refn|group=Note|The [http://www.isd.org.sv/isd/index.php/versiones-de-constitucion-de-la-republica-de-el-salvador/82-isd/democracia/estudios-y-publicaciones/constituciones/383-constitucion-de-la-republica-de-el-salvador-ano-1841 1841 Constitution of the Republic of El Salvador] established a bicameral legislature with a Chamber of Deputies and a Senate. The 1886 constitution replaced the bicameral legislature with a unicameral one.<ref>Haggerty, Richard A. (ed.), ''El Salvador: A Country Study'' (1990), p. 144</ref>}}
*1890 [[Genrōin|Japan]]
*1901&ndash;1903 [[Kingdom of Serbia|Serbia]]
*1917 [[Governing Senate|Russia]]
*1919 [[Senate of Costa Rica|Costa Rica]]<ref group=Note name="Costa Rica"/>
*1919 [[Senate of Finland|Finland]]
*1926 [[Senate (Portugal)|Portugal]]
*1928 [[Senate (Albania)|Albania]]
*1930 [[Legislative Assembly of Bahia|Bahia]], [[Vargas Era|Brazil]]
*1930 [[Legislative Assembly of Ceará|Ceará]], [[Vargas Era|Brazil]]
*1930 [[Legislative Assembly of Pernambuco|Pernambuco]], [[Vargas Era|Brazil]]
*1930 [[Legislative Assembly of São Paulo|São Paulo]], [[Vargas Era|Brazil]]
*1935 [[Senate of the Philippines|Philippines]] (restored in 1945)<ref group=Note name="Philippines"/>
*1937 [[Seanad Éireann (Irish Free State)|Ireland]]
*1949 [[Senate of Malta|Malta]]
*1950 [[United States of Indonesia|Indonesia]] (restored in 2001 as [[Regional Representative Council]])
*1964 [[Senate (British Guiana)|British Guiana (now Guyana)]]
*1970 [[Senate of Ceylon|Ceylon]]
*1978 [[Politics of Ecuador|Ecuador]]
*1978 [[Senate of the Philippines|Philippines]] (restored in 1987)<ref group=Note name="Philippines"/>
*1979 [[Iranian Senate|Iran]]
*1979 [[National Congress of Nicaragua|Nicaragua]]
*1982 [[Senate of the Republic (Turkey)|Turkey]]<ref group=Note>The Turkish Senate did not function after the [[1980 Turkish coup d'état]] and was legally abolished with the adoption of the 1982 [[Constitution of Turkey]].</ref>
*1993 [[Senate of Peru|Peru]]
*2000 [[Senate of Venezuela|Venezuela]]
*2012 [[Senate of Senegal|Senegal]]
*2013 [[Senate of Fiji|Fiji]]
|4='''Senate unestablished, though foreseen by the Constitution'''
*1989 [[Senate of Lebanon|Lebanon]]
*1994 [[National Assembly (Malawi)|Malawi]]
*1995 [[Parliament of Georgia#Status and structure|Georgia]]
*2004 [[Council of Union of Iraq|Iraq]]
*2015 [[Senate of the Central African Republic|Central African Republic]]
}}