03/24/1857
American adventurer Henry A. Crabb leads an expeditionary force across the Mexican border into Sonora Battles/Soldiers
11/03/1853
American filibuster William Walker proclaims himself president of an independent "Republic of Lower California" Military/Violent
09/21/1852
French adventurer Gaston Raousset declares Sonora (Mexico) to be an independent republic Foreign
06/01/1852
French filibuster Gaston Raoul Raousset arrives in the northern Mexican state of Sonora Battles/Soldiers
10/29/1852
Gaston Raousset departs Mexico for San Francisco Battles/Soldiers
04/07/1857
Henry A. Crabb and 57 of his followers are executed by a Mexican firing squad Military/Violent
04/04/1854
William Walker and his fellow filibusters leave Baja California for Sonora Battles/Soldiers
