The auditorium, as it was originally named, was built in 1936 and opened in april 1937. A $4 million renovation was completed in 1985 when the building. Webat the beginning of 1912, there was began the work on the scaffolding and formwork for the four main pillars of the hall. Preserved archive materials show perfectly how intricate,. Webcentennial hall is the largest exhibit hall at fair park. The centennial hall was originally constructed in 1905 as the first steel and masonry exhibition building on the fairgrounds. Public gathering space, event center. Open full screen to view more. This map was created by a user. Learn how to create your own. Webfind local businesses, view maps and get driving directions in google maps. At centennial hall or by phone: Saturday 12pm to 5pm. Closed sunday and monday. Located on wellington st in downtown london, ont. Weblist of sections at centennial hall. See the view from your seat at centennial hall.