Tomás Frías

President of Bolivia

21 December 1804 Potosí, Viceroyalty of the Río de la Plata

10 May 1884(1884-05-10) (79) Florence, Kingdom of Italy

31 January 1874 – 4 May 1876 Acting: 31 January 1874 – 14 February 1874

17th President of Bolivia For other uses, see Tomás Frías (disambiguation). In this Spanish name, the first or paternal surname is Frías and the second or maternal family name is Ametller. Tomás Frías Ametller (21 December 1804 – 10 May 1884) was a Bolivian politician who served as the 17th president of Bolivia twice nonconsecutively from 1872 to 1873 and from 1874 to 1876.