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In page Juan Esteban Montero:

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On June 4, 1932, colonel Marmaduke Grove staged a coup d'état by taking over the Air Force base of El Bosque, in Santiago, and demanding the resignation of President Montero. Montero refused to call on the army to put down the coup, and instead chose to resign. That same night, the victorious revolutionaries organized a Government Junta composed of retired General Arturo Puga, Eugenio Matte and Carlos Davila, with colonel Grove as their minister of Defense. After this episode, Montero retired completely from politics, and went back to private practice and business. He died in Santiago, on February 25, 1948, at the age of 69.