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TIL Canada was the first country to declare war on Japan in the Second World War

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N7Dv6 TIL that up to 1980 there were only 5 English medieval longbows known to still exist. In 1980, 137 longbows in excellent condition were recovered from the wreck of King Henry VIII's naval ship, the Mary Rose, which had capsized in the 1500s.
LQeRP TIL The U.S. Navy estimates that heavy barnacle growth on ships increases weight and drag by as much as 60 percent, resulting in as much as a 40 percent increase in fuel consumption
wepP TIL that up to 45 million Chinese were killed in the Chinese government’s “Great Leap Forward”. Punishment for stealing a potato would be death by drowning, and parents were forced to bury their children alive or be drowned in urine. This makes the Great Leap Forward the largest 20th century murder.
e01Vb TIL The Moon has an atmosphere, although it is so thin that scientists consider it basically nonexistent for practical purposes. The total mass of the lunar atmosphere is about the same as a school bus.
N7vnb TIL of the Random Hall Milk, a carton of milk that MIT students have been preserving for the last 26 years