December 6, 1917 In the largest explosion to this date (comparable to the atomic bomb dropped on Hiroshima in 1945), two ships collide and explode in Halifax NS. The “Imo” is loaded with ballast, the “Mont Blanc” with explosives. Roughly 2,000 people are killed when the “Mount Blanc” explodes. The city suffers extensive damage. Included in the losses: Intercolonial Railway's station (later CN) and associated facilities.
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December 8, 1919 All passenger train service in Michigan, including on the Grand Trunk, is temporarily halted due to the effects of a month-long national coal miner's strike. 250,000 Michigan workers are also laid off.