1867:  On 20 December 1867, ALIDA (wooden propeller packet/tug, 81-foot, 58 gross tons, built in 1856, at Saginaw, Michigan) had her boiler explode in the Saginaw River. She caught fire and burned to a total loss. This little packet/tug was the only steamer to regularly venture up the Saginaw River beyond the mouth of the Flint River.

1873:  On 20 December 1873, the Great Western ferry MICHIGAN was finally launched at the Jenkins yard in Walkerville, Ontario. Her launching was originally scheduled for 18 December, but she stuck on the ways. She was built for use on the Detroit River and her dimensions were 282 feet x 72 foot 6 inch beam.

1910:  In 1910, the PERE MARQUETTE 18 was launched at South Chicago. She was the only Great Lakes carferry to be built in Chicago.

1923:
  The keel was laid for the PERE MARQUETTE 22 on December 20, 1923.

1944:  On 20 December 1944, the icebreaker MACKINAW (WAGB-83) was commissioned in the U. S. Coast Guard.

1963:  CORFU ISLAND, a Seaway trader in 1959, was wrecked in the Gulf of St. Lawrence at Grindstone Light, Magdalen Island. The engine broke down in heavy weather but all on board were saved.

1965:  CASABLANCA went aground at Santo Antao Island, Cape Verde, and became a total loss. The small Dutch freighter had been a pre-Seaway trader in 1957.

1973:  A fire broke out in the accommodation area of the MEDATLANTIC while enroute from Valencia, Spain, to Casablanca, Morocco. There was extensive damage. The ship was declared a total loss and broken up. It had been a Great Lakes trader as a) HELGA SMITH and b) MICHIGAN and was last inland in 1961.

1973:  The CRISPIN OGLEBAY of 1908, hauled her last cargo, a load of salt, into Rochester, New York on December 20, 1973, and then was laid up at Kingston, Ontario, for the winter.

1975:  The b.) SAMUEL MATHER, a.) WILLIAM MC LAUGHLIN was towed from Ashtabula, Ohio on December 20, 1975, to Port Colborne, Ontario where her boilers were converted to oil-fired burners by Herb Fraser & Associates and renamed c.) JOAN M. MC CULLOUGH (C.370162), renamed d.) BIRCHGLEN in 1982 and scrapped at Sydney, Nova Scotia in 1988.

1975:  CARITA drifted ashore on Cape Breton Island after a power failure two days earlier. All on board were saved but the hull broke into four pieces. It was outbound from Thunder Bay with a cargo of peas and oats for Port au Spain, Trinidad, on its only trip to the Great Lakes.

1976:  MEDUSA CHALLENGER stranded in Lake St. Clair when winds and ice pushed the ship aground.

1979:  FLORES, a pre-Seaway trader in 1958, was laid up at Baia, Italy, with collision damage when it got loose and went aground during a Dec. 20-21 overnight storm and became a total loss

1979:  December 20, 1979 – The Interstate Commerce Commission approved the termination of the C&O’s Milwaukee run. C&O ended the run the following year.

1985:  Cleveland Cliffs steamer FRONTENAC’s scrapping process was completed in Superior, Wisconsin on December 20, 1985.

1985:  The former Israeli freighter NAHARIYA grounded off Darien Rock, Trinidad, as f) GUAICAMACUTO and sank enroute from Venezuela to El Salvador. The ship had first come through the Seaway in 1962.

1986:  The former HARALD RINDE first traded through the Seaway in 1968. It dragged anchors off Istanbul and went aground on this date as e) YAVUZ SELIM. The ship capsized Dec. 31 and became a total loss.

2005:  FEDERAL KIVALINA got stuck in the ice at Lock 7 while downbound and tugs were needed to free the ship the next day.

2010:  ORNA was hijacked on the Indian Ocean and taken to Somalia for ransom. The ship had been a Seaway trader as a) ST. CATHARINESS, b) ASIAN ERIE, c) HANDY LAKER, d) MOOR LAKER and e) ORNA. It was later set on fire by the pirates but eventually released when a ransom was paid. It was spotted anchored off Sharjah, on Nov. 20, 2012, and the after end appears to have been completely gutted by the blaze.

2022:  The cargo ship BBC Kwiatkowski ran aground Sunday afternoon off Montreal-East. Tuesday morning, December 20, she had not yet been refloated. She is on the south side of the St. Lawrence River near Dufault Island, part of the Îles de Boucherville. She was en route to Antwerp, Belgium from Port Colborne but with a stopover in Montreal. On the scene this morning was the tug Ocean Pierre Julien.

Data from: Skip Gillham, Joe Barr, Dave Swayze, Father Dowling Collection, Max Hanley, Ahoy & Farewell II and the Great Lakes Ships We Remember series.