100th year anniversary of Holyoke as a city happened in 1973. There was a city wide ball held in 5 locations at the same time – Wyckoff, Holiday Inn, Gleasons’s, Opera House, and City Hall. This was held on September 28th. There was also a parade that had about 10 thousands viewers.
One cool event from the Elizur Holyoke boat ride from Brunelle’s Marina of South Hadley on a southernly course.
A documentary film was made called Holyoke’s 100th. WGBY of the PBS station was the lead.