the quality of being widely admired or accepted or sought after; "his charm soon won him affection and popularity"; "the universal popularity of American movies"
American silversmith remembered for his midnight ride (celebrated in a poem by Longfellow) to warn the colonists in Lexington and Concord that British troops were coming (1735-1818)
an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia
any very difficult problem; insoluble in its own terms