- December 22
- 1786 – Timothy Hackworth, English steam locomotive builder is born (d. 1850).
- 1851 – The first railway operates in India, hauling construction material in Roorkee.
- 1902 – The Vale of Rheidol Railway in Wales starts passenger services.
- 1939 – Train D180 collides with the delayed and overcrowded train D10 at Genthin, Germany, killing 278 and injuring 453; this accident results in the highest number of injuries of all rail accidents in Germany (memorial pictured).
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