ELLINGTON – The Crystal Lake Historical Society will hold its annual Christmas Potluck Luncheon on Dec. 9 at 1 p.m. at the Crystal Lake Community United Methodist Church, Fellowship Hall, 278 Sandy Beach Road, Route 140 across from the Crystal Lake School. Those attending should bring a dish to serve eight people. There will be a silent auction after the luncheon. Bring a new or slightly used item for the auction. Everyone is invited.