Square One Older Adult Centre and Square One Wellness Services Presents the Senior Information and Active Living Fair at Square One Older Adult Centre. Square One Shopping Centre, 100 City Centre Drive, Mississauga (Lower Level Between The Bay and Bank of Montreal) Thursday, March 20th – Noon to 3:00 pm and Friday, March 21st – 10 – 1 pm. 35 Exhibitors each day, Refreshments, Presentations, Entertainment, Participants Bags, Door Prizes, Clinics.