2007 President's Day: Legal Holiday (U.S.)
1473 Astronomer Nicolaus Copernicus, developer of a controversial theory in which the Earth revolved around the sun (heliocentricity), is born.
1674 The Treaty of Westminster, by which New Amsterdam (later New York) officially becomes an English possession, is signed.
1878 Thomas Alva Edison receives a patent for the gramaphone (phonograph).
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