Thousand Oaks-Westlake Village Regional Chamber of Commerce hosts Business Expo and Trade Show from 5 to 8 p.m. in Garden Terrace of Hyatt Westlake Plaza, 880 S. Westlake Blvd., Westlake Village, with the theme "Viva Las Vegas." More than 70 exhibitors, raffle prizes, restaurant food samples. Free. (805) 370-0035
Gem & Mineral Club
Conejo Gem & Mineral Club meets 7:30 p.m. at Hillcrest Arts Center, 403 W. Hillcrest Drive, Thousand Oaks. Jan Wittenber...