Template:Selected anniversaries/June 20: Difference between revisions

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||1782 – The U.S. Congress adopts the Great Seal of the United States.
||1782 – The U.S. Congress adopts the Great Seal of the United States.


||Abraham Gotthelf Kästner (27 September 1719 – 20 June 1800) was a German mathematician, academic, and epigrammatist.
||Ivan Mikhailovich Simonov (b.1794) was a Russian astronomer and a geodesist.
 
||Abraham Gotthelf Kästner (d. 20 June 1800) was a German mathematician, academic, and epigrammatist.


||1819 – The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.
||1819 – The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. It is the first steam-propelled vessel to cross the Atlantic, although most of the journey is made under sail.

Revision as of 16:17, 5 November 2017