Mariano Melgarejo

15th president of Bolivia

Manuel Mariano Melgarejo Valencia (13 April 1820 – 23 November 1871) was a Bolivian military officer and politician who served as the fifteenth president of Bolivia from 28 December 1864, until his fall on 15 January 1871. He assumed power in 1864 after staging a coup d'état against president José María de Achá, thus beginning six-year dictatorship, popularly known as the Sexenio. He would cement his power after personally killing former president Manuel Isidoro Belzu in 1865.

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