Petersburg resident Jim Ryan will lead a bus tour of important Revolutionary War sites throughout the city of Petersburg on April 18. The tour is free, but seats are limited to the first 24 registrants. The one-hour program will begin at 11:30 a.m. at Battersea Mansion and is sponsored by the Historic Petersburg Foundation, Inc. (HPF) and the city of Petersburg’s Department of Tourism. At the conclusion of the tour, participants can enjoy lunch from the vendors on the grounds, tour Battersea Mansion and watch the battle re-enactment at 1:30 p.m. All are part of the annual Battersea Revolutionary War encampment and commemorative re-enactment of the battle fought at the site on April 25, 1781.