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On This Day ...

Important events from the history of math that happened on this day:

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Today: June 19th

1623 Blaise Pascal born in Clermont, France. The mathematician, scientist, and religious philosopher is most famous today for his work on the arithmetical triangle, now called Pascal's Triangle.

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Blaise Pascal
1771 Joseph Gergonne born. Most famous as a geometer, he liked to season his papers with philosophical remarks. In one he wrote, "It is not possible to feel satisfied at having said the last word about some theory as long as it cannot be explained in a few words to any passerby encountered in the street."

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Joseph Diaz Gergonne
325 Council of Nicaea opened by the early Christian church to decide the rules for computing the date of Easter: the first Sunday after the first full moon on or after the vernal equinox.

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Council of Nicaea

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