The following lists events that happened during 1920 in Chile.
Incumbents President of Chile: Juan Luis Sanfuentes (until 23 December), Arturo Alessandri
Events June 25 June – Chilean presidential election, 1920
Births 14 January – Julio Alberto Mercado Illanes (d. 1994) 27 June – Fernando Riera (d. 2010) 19 September – Gustavo Leigh (d. 1999) 15 October – Miguel Busquets (d. 2002) 31 October – Francisco Urroz, footballer (d. 1992)
Deaths 12 April – Teresa of Los Andes (b. 1900)
References