Lansdale Founders Day 2024 Dates. The early morning kicked off with a boot. While the festival of the arts goes on in the park, lansdale founders day celebrates the borough’s history, complete with fireworks.
September 25, 2021 at 8:28 a.m. — lansdale, pennsylvania, is set to come alive with a day of festive celebrations for its annual founders day on saturday, august 26th.