It"s a bit of a fib that Fibonacci, the 13th-century Italian math whiz, was the first to sketch out a number sequence in which each number is the sum of the two preceding numbers: 0, 1, 1, 2, 3, 5, 8, 13, and so on forever. In fact, scholars in India described the sequence centuries before Fibonacci, and they probably weren"t the first to figure it out either. But in any case, each November 23—that is, 11/23—we celebrate the infinite series known as the Fibonacci sequence.
Fibonacci Day
Today in History
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Joshua Tree National Park, California
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National Cherry Blossom Festival, Washington, DC
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Looking back at Yellowstone, 30 years after the fires
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Boxing Day
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Go climb a tree
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World Whale Day
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Russell lupines, Lake Tekapo, New Zealand
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Veterans Day
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Flag Day
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It s not always sunny in Abu Simbel…
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Guilin and Lijiang River National Park, China
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Sailing across the ice
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Women s suffrage at 100
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‘Think equal, build smart, innovate for change’
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Fall comes to the Last Frontier
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A new park with a new mission
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Merced River, Yosemite National Park, California
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International Rock Day
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Rays on parade
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World Bee Day
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The dog days of summer
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Juneteenth
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World Oceans Day
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Silent night, sparkling lights, and hearts full of joy
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Roman bridge of Córdoba, Spain
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Madame Sherri Forest, New Hampshire
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Jaguar in the Pantanal wetlands
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World Reef Awareness Day
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White Sands National Park turns 90
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It s National Hispanic Heritage Month
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