Sonoma County Yom HaShoah Commemoration April 15, 2018 @ 2:00 pm Sonoma County Jewish community’s annual event. Focus is on Holocaust-era ghettos with featured speaker historian Fred Rosenbaum, an expert on the Lodz Ghetto. Free. Event Website Venue: Friedman Center 4676 Mayette Ave. Santa Rosa, CA United States + Google Calendar+ iCal Export Talks & Workshops