Things You Might Know About Colorado!Many restaurants claim to have invented the cheeseburger, but it was Colorado resident Louis Ballast of the Humpty Dumpty Drive-In in Denver who named it: He trademarked the term in 1935.
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At 53 square miles, Denver International Airport is twice the size of Manhattan.
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Colorado Springs is home to the United States Olympic Committee's flagship training center, but Colorado is the only U.S. state that's ever turned down an Olympic bid.
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Fast forward a few decades, and Denver's interested in hosting again, perhaps in 2022.
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In May of 2013, Colorado became the first state to fully regulate the recreational use, sale, and consumption of marijuana.