SIDEWALK SALES rinceton Area FRIDAY, MAY 28TH, SATURDAY, MAY 29TH, Chamber of Commerce MainStreet & SUNDAY, MAY 30TH and Visit Princeton and Enjoy Some Retail Therapy! www.princetonchamber-il.com SIDEWALK SALES rinceton Area FRIDAY, MAY 28TH, SATURDAY, MAY 29TH, Chamber of Commerce MainStreet & SUNDAY, MAY 30TH and Visit Princeton and Enjoy Some Retail Therapy! www.princetonchamber-il.com