The creation of one of the oldest surviving astronomical documents, from the Babylonian library of Ashurbanipal around 1600 BC - a 21-year record of the appearances of Venus (which the early Babylonians called Nindaranna).
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Source: U.S. Office of the Federal Register (http://www.archives.gov/federal_register/electoral_college/scores.html#1804)
(Larger version)
See also: President of ...