In addition to the proclamation, Chester County will mark World Ranger Day by illuminating the Historic Courthouse in green on the evening of July 31.

“It’s the biggest Memorial Day parade in Chester County,” said Daniel Embree, executive director of Kennett Collaborative, a borough-based nonprofit which organizes the event each year.

Of the county’s 382,026 registered voters as of May 5, the last day to register before the election, 156,998 are Democrats, 151,883 are Republicans, and the remaining 74,145 are independents or ...