José Gregorio Valera was the president of Venezuela from 15 December 1878 to 13 February 1879. He was a half brother of his predecessor Francisco Linares Alcántara. He was overthrown by the general , who proclaimed the new president of the country the former president Antonio Guzmán Blanco. References Official biography Биография Presidencia de José Gregorio Valera (1878–1879) José Gregorio Valera Presidents of Venezuela Year of birth missing Year of death missing Great Liberal Party of Venezuela politicians Venezuelan Ministers of Defense Venezuelan people of Spanish descent