HICAP Presentation 1 p.m., Fairfield Senior Center, 1200 Civic Center Drive. A presentation about medicare and your options. Info: 428-7421.

Fairfield Coin Club 5:30 p.m., Grace Episcopal Church, 1405 Kentucky St., Fairfield. Guest speakers, coin drawings, numismatic programs and refreshments. Info: 384-3793 or 745-6385.

Epilepsy Support Group 6 to 7:30 p.m., VacaValley Health Plaza, 1010 Nut Tree Road, Suite 290, Vacaville. The Epilepsy Foundation of California offers an opportunity to share support and learn about resources. Info: 800-632-3532.

Thursday

Dine and Donate to the Youngstrom Family 11 a.m. to 10 p.m., Mary’s Pizza Shack, 1500 Oliver Road, Fairfield and 505 Davis St., Vacaville. To raise funds for fallen CHP Officer Kenyon Youngstrom’s family. Twenty percent of the day’s dine-in, takeout and delivery orders will go to the Youngstrom Family Fund. Info: 422-2700 or 446-7100.

British Chatterbox Club Noon, Legends at Paradise Valley, 3950 Paradise Valley Drive, Fairfield. Join the ladies from the United Kingdom for lunch and chat. Meet old friends and make new ones. Info: 422-7240, 451-7291 or 449-9936.

Valley Writers Association 7 p.m., Fairfield Senior Center, 1200 Civic Center Drive. Writers of any genre and all ages welcome. Info: Norma Green at 422-8072.

Coming Up

Harvest Party 5 to 9 p.m. Friday, Winterhawk Winery, 4537 Abernathy Road, Fairfield. Wine tasting, food trucks and dancing to live music by Matt Applin and the Midnight Band. Info: 428-6977.

Grape Escape 6 to 9 p.m. Friday, Wooden Valley Winery, 4756 Suisun Valley Road, Fairfield. The Solano County Chapter of the Women’s Council of Realtors is teaming up with several local businesses for a unique tasting event to benefit SafeQuest Solano. Tickets are available at the Allstate Insurance office at 350 Merchant St., Vacaville, or at RE/MAX Gold Elite, 455 Lopes Road, Cordelia. Info: 916-792-2574.

Alpaca Open House 10 a.m. to 4 p.m. Saturday, Ahh . . . Sweet Alpacas, 7924 Charlotte Lane off Allendale Road, Vacaville. Ongoing demonstrations of how to spin alpaca fleece into yarn. Info: http://www.sweetalpacas.com.

Raptor Migration Tour 10 a.m. to 2 p.m. Saturday, Lynch Canyon, 3100 Lynch Road, Vallejo. Learn about eagles, hawks and other birds of prey in Solano County, from Larry Broderick and his Solano Land Trust Raptor Team. All ages welcome. Moderately paced tour covering four miles. Please RSVP to Mary Beth, 685-5908 or mbcrittendon@comcast.net.

Oktoberfest 11 a.m. to 7 p.m. Saturday, Vacaville Town Square. Hosted by the Pure Grain Bakery and the Downtown Vacaville Business Improvement District. Music provided by Alpiner’s USA and German Choir Singers from Oakland. Info: 451-2100, http://www.downtownvacaville.com.

Suisun Marsh Ducks Unlimited Annual Banquet 5 to 11 p.m. Saturday, Hampton Inn, 800 Mason St., Vacaville. Online ticket sales end today. Ticket price includes a Kinder’s barbecue dinner and a one-year Ducks Unlimited membership. A raffle and auction are also part of the evening. Info: http://www.suisunmarshdu.com.

“Denim & Diamonds” 6 to 10 p.m. Saturday, Cordelia Fire Hall, 2155 Cordelia Road, Fairfield. A seventh annual event sponsored by the Soroptimist of Central Solano County, featuring entertainment, dinner and silent auction. Info: 438-0804, http://www.SICentralSolano.com.

“Top of the Charts” Fall Concert 5 p.m. Sunday, St. Patrick-St. Vincent High School, 1500 Benicia Road, Vallejo. Enjoy live music from budding young musicians; everything from the Temptations, The Beatles, and Neil Diamond to Cee Lo Green, Bruno Mars and Madonna. Info: 644-4425, ext. 146 or r.lee@spsv.org.

Art, Wine and Chocolate Festival 11 a.m. to 5 p.m. Oct. 6, Harbor Plaza, Suisun City. Presented by the Suisun City Historic Waterfront Business Improvement District. Featuring wine, chocolate, arts and crafts and live music. Info: http://www.visitsuisuncity.com.

Gordon Valley Car Show 11 a.m. to 3 p.m. Oct. 7, 6485 Gordon Valley Road, seven miles from Rancho Solano off Wooden Valley Road and Wooden Valley Cross Road. Food, drinks, raffle, wine tasting and beautiful cars. Proceeds benefit Gordon Valley Volunteer Fire Department. Info: 421-2246, Pattie@gordonvalley.com.

Ladies Night in Vacaville 5 to 9 p.m. Oct. 11, Downtown Vacaville. Hosted by the Downtown Vacaville Business Improvement District. Shop, dine and stroll downtown Vacaville. Info: http://www.downtownvacaville.com, 451-2100.

Rio Vista Bass Derby Festival 4 to 10 p.m. Oct. 12, 10 a.m. to noon Oct. 13, 10 a.m. to 6 p.m. Oct. 14, Downtown Rio Vista on Main and Front Street. Carnival, amusement rides, fishing contests, art and craft vendors, food vendors and local bands. Info: 374-2700.

So Mush Fun Benefit 8 a.m. Oct. 13, Lagoon Valley/Peña Adobe Park, Vacaville. Solano County’s own Iditarod, a run/walk and dry land carting event for dogs and humans. A fundraiser for NorSled. Info: http://www.norsled.org.