Home›More›Articles›From Kosa'aay to a two-country metropolis: how San Diego got its place on the borderArticleFrom Kosa'aay to a two-country metropolis: how San Diego got its place on the borderArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnSan Diego, Cities Well-attested SourcesSan Diego (Wikipedia)tier 2Wikimedia FoundationLead sectionQuote, Lead sectionThe Presidio and Mission San Diego de Alcalá, founded in 1769, formed the first European settlement in what is now California.View the SourceAtlas Article VocabularyComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.