By Denny Dyroff, Entertainment Editor, The Times This is the time of year when many of the Brandywine Valley’s most popular outdoor events fill the calendar. Chester County Day (locations around Chester County, 610-431-5301, www.chestercountyday.com) is one of the oldest annual events in the Brandywine Valley. On October 4, the 2025 Chester County Day, which will be held in and around West...