The Union has its origins in a mission of Scottish pastor Daniel T. MacDonald in 1890.
[1] It was officially founded in 1908 in Cajón, near Temuco, by 6 churches under the name Convención Evangélica Bautista de Chile.
[3] According to a census published by the association in 2023, it claimed 539 churches and 25,749 members.
[5] The Convention has a missionary organization, Dirección Nacional de Misiones.
[6] It has a humanitarian organization, Fundación Bautista PARA AMAR.