The following lists events that happened during 1925 in Chile.
Incumbents President of Chile: Luis Altamirano (until 23 January), Pedro Dartnell (until 27 January), Emilio Bello (until 20 March), Arturo Alessandri (until 1 October), Luis Barros Borgoño (until 23 December), Emiliano Figueroa
Events January 23 January – The 1925 Chilean coup d'état overthrows the September Junta. 27 January – The January Junta is established and recalls Arturo Alessandri to the presidency.
March March – Marusia massacre
August 30 August – The Chilean constitutional referendum, 1925 is held. It creates the Chilean Constitution of 1925.
October 1 October – President Arturo Alessandri resigns. 22 October – Emiliano Figueroa is elected as president in the Chilean presidential election, 1925.
November 22 November – The Chilean parliamentary election, 1925 is held. The Liberal Party becomes the largest party in the Chamber of Deputies.
Births 15 January – Luis Mayanés (d. 1979) 19 March – Julio Canessa (d. 2015) 26 March – Claudio Spies (d. 2020) 9 August – Valentín Pimstein (d. 2017) 25 December - Carla Cordua
Deaths 2 November – Sofanor Parra (b. 1850)
References