| 1569 | |
Gerardus Mercator presents his cylindrical map projection.LOC |
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| 1570 | | 20 May:
Abraham Ortelius publishes the first modern atlas entitled "Theatrum Orbis Terrarum".LoC Bonhams |
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| 1830 | | 6 Dec:
The United States Naval Observatory is established, first as the Depot of Charts and Instruments.USNA NASA |
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| 1845 | | 28 Aug:
The first issue of Scientific American is published.SA SI |
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| 1846 | | 10 Aug:
The Smithsonian Institute is founded.SI USNA |
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| 1863 | | 3 Mar:
The National Academy of Sciences is established.NAS Harvard |
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| 1872 | | Dec:
The first Rand McNally map is published.NA.gov |
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| 1879 | |
| 1884 | | 13 Oct:
The Greenwich meridian is officially adopted globally as the prime meridian, the imaginary north-south line where the longitude is 0 degrees.W I R E D MAA |
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| 1888 | | 27 Jan:
The National Geographic Society is incorporated. WHP |
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| | 22 Sep:
The National Geographic Society begins publishing its magazine. Biblio |
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| 1918 | |
| 1943 | | 10 Jun:
Brothers László and Georg Bíró, Hungarian refugees living in Argentina, patent the ballpoint pen.W I R E D FPN |
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| 1960 | | 13 Apr:
The first navigation satellite, Transit 1b or NavSat, is put into orbit by the U. S. Navy.NPS LAAFB |
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Geography
