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In 1507, the German cartographer Martin Waldseemüller produced a world map on which he named the lands of the Western Hemisphere "America" in honor of the Italian explorer and cartographer Amerigo Vespucci (). The first documentary evidence of the phrase "United States of America" is from a letter dated January 2, 1776, written by Stephen Moylan, Esq., to George Washington's aide-de-camp and Muster-Master General of the Continental Army, Lt. Col. Joseph Reed. Moylan expressed his wish to go "with full and ample powers from the United States of America to Spain" to seek assistance in the revolutionary war effort. The first known publication of the phrase "United States of America" was in an anonymous essay in "The Virginia Gazette" newspaper in Williamsburg, Virginia, on April 6, 1776.
letter dated January 2, 1776, written by Stephen Moylan, Esq.