› added 7 years ago

168

TIL That united states flags that were made in china are banned from being used in the military

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6bRJ TIL: Abraham Lincoln and Karl Marx exchanged friendly letters and discussed their similar views on the exploitation of labor.
MaM0 TIL - Circuit breakers halt trading on the nation’s stock markets during dramatic drops and are set at 7%, 13%, and 20% of the closing price for the previous day.
g8n9 TIL Julian Lennon (John Lennon’s son) didn’t find out Hey Jude was written for him until 20 years later
D14er TIL Titanic's engines burned 600 tons of coal per day. 176 men worked around the clock to shovel it in by hand. 100 tons of ash was also ejected into the sea each day.
8abP4 TIL middle-aged marathon runners are faster than twentysomethings. It's not clear why this is, although the older runners do train slightly more.