1929
1929: On 21 February 1929, SAPPHO (wooden propeller passenger ferry, 107 foot, 224 gross tons, built in 1883, at Wyandotte, Michigan) burned at her winter lay-up dock in Ecorse, Michigan. She had provided 46 years of service ferrying passengers across the Detroit River. She was neither repaired nor replaced since the Ambassador Bridge was nearing completion.
1961
1961: At Port Weller Drydocks Ltd., the keel of the new bow section for HILDA MARJANNE was laid on February 21, 1961, while at the same time the tanker hull forward of her engine room bulkhead was being cut away.
1979
1979: EDWIN H. GOTT arrived at Two Harbors, Minnesota, (her first trip) February 21, 1979, with the loss of one of her two rudders during her transit of Lake Superior. The other rudder post was also damaged. She was holed in her bow and some of her cargo hold plating ruptured as a result of frozen ballast tanks. Even the icebreaker MACKINAW suffered damage to her port propeller shaft on the trip across frozen Lake Superior.
2021
2021: On February 12, 2021, K+S Windsor Salt Ltd. and Canada Steamship Lines announced the construction of a new, state-of-the-art self-unloading ship with a deadweight of 26,000 metric tons for service in the Gulf of St. Lawrence and Great Lakes region. It was launched as NUKUMI.
Data from: Joe Barr, Dave Swayze, Ahoy & Farewell II and the Great Lakes Ships We Remember series.