Mayor Lloyd Winnecke will welcome the start of the holiday season with the lighting of the Official City of Evansville Christmas Tree in front of the Civic Center on Thursday, November 20, at 5:15 p.m. The Central High School Choir, led by Choir Director David Murphey, will perform two holiday songs and Mayor Winnecke will offer a few remarks before starting the countdown to turn on the lights. The public is invited to attend.