Edificio del Seguro Obrero

The 12-story building was planned for the Caja del Seguro Obrero Obligatorio (Created in 1924)^[1] to a design of the architect Ricardo González Cortés, who was influenced by the ideas of the Chicago school and the Art Deco movement.^[2] Its construction began in 1928 and was completed in 1931,^[3] surpassing the Edificio Ariztía as the tallest office building in Chile.

The building reached notoriety in 1938 when the Seguro Obrero massacre occurred. On September 5 of that year, the building was seized by members of the National Socialist Movement of Chile and a shootout took place between them and the Carabineros. The protesters were shot by the police force inside the building after had surrendered. As a result, 59 of them were killed.

Since November 1989, the building serves as the headquarters for the Ministerio de Justicia.^[3]

• List of tallest buildings in Chile