« All Events This event has passed. Museum Open September 21, 2025 @ 10:00 am - 2:00 pm « Museum Open Exec Board Meeting » Plan your visit Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: September 21, 2025 Time: 10:00 am - 2:00 pm Event Categories: Board, Community Event Tags:museum Organizer East Contra Costa Historical Society Venue Museum
