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Gnomon Chronicles is a work of fiction and nonfiction by Karl Jones.

On This Day in History: June 17

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  1714: Astronomer and cartographer César-François Cassini de Thury born. In 1744, he will begin the construction of a great topographical map of France, one of the landmarks in the history of cartography. Completed by his son Jean-Dominique, Cassini IV and published by the Académie des Sciences from 1744 to 1793, its 180 plates will be known as the Cassini map.

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  1832: Chemist and physicist William Crookes born. Crookes will be a pioneer of vacuum tube technology, developing the partially evacuated Crookes tube circa 1869-1875.

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  1925: Pharmacologist and chemist Alexander Shulgin born. He will discover, synthesize, and personally bioassay over 230 psychoactive compounds for their psychedelic and entactogenic potential.

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  1932: Bonus Army: Around a thousand World War I veterans amass at the United States Capitol as the U.S. Senate considers a bill that would give them certain benefits.

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  1972: Watergate scandal (nonfiction): Five White House operatives are arrested for burgling the offices of the Democratic National Committee, in an attempt by some members of the Republican party to illegally wiretap the opposition.

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  2022: Self portrait.

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