- 1789 in science
The year 1789 in
science andtechnology involved some significant events.Chemistry
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Antoine Lavoisier proposes law of conservation of massExploration
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July 10 - Alexander Mackenzie reachesMackenzie River Delta.Awards
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Copley Medal : William MorganBirths
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August 21 -Augustin Louis Cauchy , mathematician (died 1857)
*September 28 - Richard Bright, physician (died 1858)
*October 25 -Heinrich Schwabe , astronomer (died 1875)Deaths
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May 25 -Anders Dahl , botanist for whom thedahlia is named (born 1751)
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