The Golden Gate Historical Bottle Society will host its annual Bottles, Insulators, Antiques, and Collectibles Show and Sale at the Contra Costa Event Park in Antioch. The two-day event features vendors, collectibles, and free walk-in appraisals. Admission is $10 on Friday and free on Saturday.

The East Bay Anza 250 Symposium will explore the impact of the 1775–76 Juan Bautista de Anza expedition and its lasting influence on the East Bay. The event will bring together historians, educators, land managers, and community leaders to discuss the expedition’s history, Indigenous legacies, and how this past continues to shape the region today. […]