1889. Rio de Janeiro (Brasil). Proclamation of the Republic of Brazil.
Web: Wikipedia
1922. Guayaquil (Ecuador). Slaughter of workers.
Web: Enciclopedia del Ecuador (spanish)
1911. Las Palmas (Spain). Slaughter of workers at the gates of a polling station
Six workers are killed by gunfire from the Guardia Civil, without notice. Web: Historia de Canarias (spanish)