The most recent Constituent assembly of Bolivia was the Bolivian Constituent Assembly of 2006-2007, which drafted a new Constitution of Bolivia which was approved in the Bolivian constitutional referendum, 2009.
Prior assemblies have met to reconsider the form of Bolivia's government, beginning with the 1826 Constituent Assembly. Others occurred in 1831 (a General Constituent Assembly), 1834 (Constituent Congress), 1839 (Constituent Congress), 1843 (National Convention), 1848 (Constituent Congress), 1851 (National Convention), 1861, 1868, 1871, 1877-1878, 1900 (National Convention), 1920-21 (National Convention), 1938 (National Convention), 1944 (National Convention), 1945 (National Convention), and 1966-67[1]