Fort Ross

Fort Ross is a former Russian establishment on the west coast of North America in what is now Sonoma County, California, United States. It was the first multi-ethnic community north of the Spanish missions in what is now the U.S. state of California. Owned and operated by the Russian-American Company, it was the hub of the southernmost Russian settlements in North America from 1812 to 1841. Notably cosmopolitan, different ethnic groups settled in and around the fort: Native Californians, Native Alaskans, Russians, Finns, Swedes. It has been the subject of archaeological investigation and is a California Historical Landmark, a National Historic Landmark, and on the National Register of Historic Places. It is part of California's Fort Ross State Historic Park.

Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).