active·Information societyCalifornia becomes 31st state on September 9, 1850 amid gold rush and lawlessness09 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today09/09/2026, 04:53California becomes 31st state on September 9, 1850 amid gold rush and lawlessness1 source →1 of 1 eventsStoryline coverage1 source · 1/7