1809 in science

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The year 1809 in science and technology involved some significant events, listed below.

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<span class="mw-page-title-main">1809</span> Calendar year

1809 (MDCCCIX) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1809th year of the Common Era (CE) and Anno Domini (AD) designations, the 809th year of the 2nd millennium, the 9th year of the 19th century, and the 10th and last year of the 1800s decade. As of the start of 1809, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

The year 1807 in science and technology involved some significant events, listed below.

The year 1836 in science and technology involved some significant events, listed below.

The year 1888 in science and technology involved some significant events, listed below.

The year 1838 in science and technology involved some significant events, listed below.

The year 1840 in science and technology involved some significant events, listed below.

The year 1818 in science and technology involved some significant events, listed below.

The year 1817 in science and technology involved some significant events, listed below.

The year 1862 in science and technology involved some significant events, listed below.

The year 1776 in science and technology involved some significant events.

The year 1855 in science and technology involved some significant events, listed below.

The year 1856 in science and technology involved some significant events, listed below.

The year 1893 in science and technology involved some significant events, listed below.

The year 1878 in science and technology involved many significant events, listed below.

The year 1800 in science and technology included many significant events.

The year 1886 in science and technology involved some significant events, listed below.

The year 1882 in science and technology involved some significant events, listed below.

The year 1852 in science and technology involved some significant events, listed below.

The year 1786 in science and technology involved some significant events.

The year 1783 in science and technology involved some significant events:

References

  1. 1 2 3 Grun, Bernard (1991). "1809". The Timetables of History (3rd ed.). New York: Simon & Schuster. p.  379. ISBN   0-671-74919-6.
  2. Link, J. H. F. (1809). "Observationes in ordines plantarum naturales. Dissertatio I". Magazin der Gesellschaft Naturforschenden Freunde Berlin (in Latin). 3: 3–42.
  3. "Observations on the Geology of the United States explanatory of a Geological Map". Transactions of the American Philosophical Society . 4: 91. 1809.
  4. Othersen, H. Biemann (May 2004). "Ephraim McDowell The Qualities of a Good Surgeon". Annals of Surgery . 239 (5): 648–650. doi:10.1097/01.sla.0000124382.04128.5a. PMC   1356272 . PMID   15082968.
  5. Heinrichs, R. W. (2003). "Historical origins of schizophrenia: two early madmen and their illness". Journal of the History of the Behavioral Sciences. 39: 349–63. doi: 10.1002/jhbs.10152 . PMID   14601041.
  6. "Robert Fulton patented the steamboat in 1809". Thinkfinity. Verizon. Archived from the original on 2011-07-24. Retrieved 2011-04-15.
  7. "The Fulton Patents". Today in Science History. Retrieved 2011-04-15.
  8. "Mary Kies - Patenting Pioneer". About.com. Archived from the original on July 10, 2012. Retrieved 2007-05-14.
  9. "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 21 July 2020.