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TIL Pluto never made a full orbit around the sun from the time it was discovered to when it was declassified as a planet

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kJGr5 TIL that the first nuclear reactor explosion happened in 1952 in Chalk River, Ontario, Canada. Nine years before the Argonne reactor and twenty-seven years before Three Mile Island. The second also occurred at Chalk River, in 1958.
9Bep TIL that a Womens’ Institute group dressed up as pirates for a talk about piracy. The speaker had actually been kept hostage for 47 days by Somali pirates.
R7d8a TIL actor Joseph Fiennes was familiar with one of the key filming locations for Best Picture movie Shakespeare In Love (1998) as it was his ancestral home, Broughton Castle. Joseph is the fourth cousin of Nathaniel Fiennes, 21st Baron Saye and Sele, who owns the property.
JLe8 TIL that due to human efforts, the ozone layer will recover to 1980 levels by 2050, and be fully repaired by 2070.
RAK9 TIL that Ireland is the only country to ‘express disapproval’ at ISO standard 3103 (how to make tea) which states that the milk should go in first