« All Events This event has passed. Opening Day April 4 @ 9:00 am - 2:00 pm « Local History Days (3rd grade field trip) Museum Open » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: April 4 Time: 9:00 am - 2:00 pm Event Categories: Board, Community Organizer East Contra Costa Historical Society Venue Museum
