Editing Gateway Arch National Park (section)

===1960s===
On February 11, 1961, excavation began, and that September 1, Saarinen died. On February 12, 1963, the first stainless steel triangle that formed the first section of the arch was set in place on the south leg.

On October 28, 1965, it was completed, costing approximately $15 million to build. The adjacent park was designed by landscape architect [[Dan Kiley]]. Along with all other historical areas of the National Park Service, the memorial was listed on the [[National Register of Historic Places]] on October 15, 1966. [[Vice President of the United States|Vice President]] [[Hubert Humphrey]] and [[United States Secretary of the Interior|Secretary of the Interior]] [[Stewart Udall]] dedicated the arch on May 25, 1968.