› added 4 years ago

79

TIL that the military version of TL;DR is BLUF (bottom line up front)

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lO67 TIL: 73939133 is the largest known prime number that, if you keep removing digits from the right, will always leave a prime number.
rbQ1 TIL that the largest cavalry charge in history occurred during the Turkish siege of Vienna. Spearheaded by 3000 winged knights, 20,000 Polish and German cavalrymen charged and routed the Ottoman line and decisively ended the Ottoman threat to christian Europe.
ZjN4 TIL the first Black American to become a President is Joseph Jenkins Roberts, who was born a free man in Virginia, moved to Liberia, then became their first President in 1848.
GY9PN TIL In 1965 Milton Olive III sacrificed his own life to save a group of soldiers by smothering a live grenade. He was posthumously awarded the Medal of Honor award, becoming the first African American of the Vietnam War to do so.
4XYK5 TIL that in England prior to the mid-17th Century, Christmas was a twelve-day festival, and included the burning of the Yule log and playing traditional games. The Comwellian Revolt abolished Christmas, and the Industrial Revolution eroded the customs in communities which tried to hold onto them.