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TIL despite our thinking of the Big Bang as the universe’s “let there be light” moment, light did not exist until 240,000-300,000 years later.

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pYRlZ TIL in 1959, Ottawa Int'l Airport was planning to open a new terminal. But during rehearsals for the Opening Ceremony, a US fighter jet flew so fast that it caused a sonic boom, which shattered many windows, tiles, and structural columns. The opening had to be delayed by a year to fix the damage.
XEx9k TIL the Pretenders song "My City Was Gone" is used as the Rush Limbaugh Show theme song. Despite her liberal politics, Chrissie Hynde approves of its use because her parents were big Limbaugh fans
ne50G TIL There is an urban legend that the city of Berwick was at war with Russia from 1853 till the 1960's, when the mayor signed a treaty. The myth spawns from Berwick's absence from the Treaty of Paris that ended the Crimean War, in reality Berwick was not included in the original declaration of war.
j61R TIL: Someone wrote his Name 1,000 meters high, and two miles wide into the sand and it’s visible from space
nn6o TIL the United States Government, with the passage of the NDAA fiscal year 2013, overturned a 64 year ban on domestic propaganda usage. This action now allows the U.S. State Department to distribute and broadcast government propaganda to U.S. citizens.