• Santa Trolley, PA Trolley Museum, Chartiers. 10 a.m. to 5 p.m.
• Christmas Concert, Central Assembly of God, Houston. 7 p.m.
• Winter Solstice Medicine Wheel Ceremony & Potluck Dinner, The Mesa Creative Arts Center, Burgettstown. Ceremony 6:30 p.m.; dinner 8 to 9:30 p.m.
• New Year’s Eve Celebration, The Meadows Racetrack & Casino.
• New Year’s Eve Celebration, River House Café, Charleroi.
• Antique Auctions, Three Rivers Auction Gallery, Washington. Check website for dates & times.
• Chocolate Festival, Beechie’s Place, Meadowlands. 11 a.m. to 10 p.m.
• Video Contest, Sponsored by the Academy for Adolescent Health, Inc.
• Ambassador for Respect Program, Sponsored by the Academy for Adolescent Health, Inc.
• A.R.H. Gun Show & Sales, Washington County Expo Center, All halls. 9 a.m. to 5 p.m.
• Elvis Lives! River House Café, Charleroi.
• Crown Antique Mall Sidewalk Sale, Crown Center Mall, North Franklin, Wednesday to Saturday 10 a.m. to 9 p.m. Sunday 11 a.m. to 5 p.m.