Also on this day: The 13th Amendment to the U.S. Constitution abolishing slavery is ratified as Georgia becomes the 27th state to endorse it.Army engineers complete construction of the Washington Monument by setting an aluminum capstone atop the obelisk.
Some 2,000 people are killed when an explosives-laden French cargo ship, the Mont Blanc, collides with the Norwegian vessel Imo at the harbor in Halifax, Nova Scotia, setting off a blast that devastates the Canadian city.
Finland declares its independence from Russia. A presidential address is broadcast on radio for the first time as President Coolidge speaks to a joint session of Congress.
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