The World's First Submarine was Launched in the Passaic River? How an Irish School Teacher from New Jersey Changed the World in 1878
May 22, 1878 was a warm spring day in New Jersey. On that day Irish born American engineer John Philip Holland, a bespectacled school teacher by trade then residing in Paterson, New Jersey, climbed aboard a strange looking craft early in the morning and descended below the surface of the Passaic River. Before a startled crowd of helpers and onlookers, wearing a three piece suit and bowler hat, he risked his life in an angular sort of tube made of riveted cast iron, that weighed over two tons and was fourteen feet long. He had named his invention after himself--the Holland Boat-- it was history’s first truly modern, self-propelled, submarine. The Passaic River flows for approximately eighty miles through most of northern New Jersey. The Passaic River’s source is a picturesque pond called Dubourg located in the affluent suburb of Mendham, while the mouth of the River empties out into the Atlantic Ocean at Newark Bay one of the Garden State’s most urb...