. "1787Z"^^ . "1856Z"^^ . . "1787-10-18Z"^^ . "Colonel Robert Livingston Stevens (October 18, 1787 \u2013 April 20, 1856 Hoboken, New Jersey) was the son of Colonel John Stevens. In 1807, the father and son built the Ph\u0153nix, a steamship which became the first steamship to navigate the ocean successfully when she traveled from New York City to the Delaware River in 1809."@en . "1856-04-20Z"^^ . "Robert Livingston Stevens"@en . "Stevens, Robert L."@en . . "American railroad pioneer" . . .