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TIL a football is commonly referred to as a "Pigskin" because historically they contained an inflated pigs bladder.

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9nOX TIL that about 18% of California’s irrigation water is used to farm Alfalfa - a quarter of which is exported to places like China, Japan and Saudi Arabia.
l7B4r TIL that we have an almost entirely submerged mass of continental crust called Zealandia. Today,94% of the landmass remains submerged beneath the Pacific Ocean. New Zealand is the largest part of Zealandia that is above sea level, followed by New Caledonia.
a8VVJ TIL that a famine in Persia (Iran) between 1917–1919 lead to the deaths of an estimated 2 million people. It's an event that hasn't been studied by many historians.
VoB TIL that over long periods of time, couples literally develop similar facial features.
v1Qbx TIL the history of country dail code dates back to 1960 published as the Red Book. In 1964 Red became Blue, and the world was divided into zones. World Zone 1 was NA, Zone 2 was Africa, Europe 3 and 4.