The Sun Prairie Historical Library & Museum is hosting a drop-in style celebration on July 13, 2024 from 11:00 AM until 4:00 PM to recognize the centennial year of their facility at 115 E. Main St., Sun Prairie. The event will feature a special display on the building’s history, party games and food, tables representing area historical entities, and behind-the-scenes tours of the Museum’s archives. This free event is open to all.