The year 1620 in science and technology involved some significant events.
Read more about 1620 In Science: Astronomy, Cartography, Chemistry, Earth Sciences, Medicine, Technology, Births, Deaths
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“For eighteen hundred years, though perchance I have no right to say it, the New Testament has been written; yet where is the legislator who has wisdom and practical talent enough to avail himself of the light which it sheds on the science of legislation?”
—Henry David Thoreau (1817–1862)