Alexander von Humboldt makes a short visit…
June 1804 CE
Alexander von Humboldt makes a short visit to the United States after departing Mexico, staying in the White House as a guest of President Thomas Jefferson.
Jefferson, a scientist himself, is delighted to have Humboldt as a guest and the two hold numerous intense discussions on scientific matters.
After six weeks, Humboldt sets sail for Europe from the mouth of the Delaware.