Over a year after the first segment of the Boulevard of the Allies made its debut, the entire route in Pittsburgh, Pennsylvania, was opened to traffic. The road, which links downtown Pittsburgh with the city’s Oakland neighborhood, was named in honor of the Allied Powers that had fought against Germany and the other Central Powers just a few years earlier during World War I. A key champion of the road and its orientation as a war memorial was Pittsburgh City Councilman Robert Garland, who would also achieve fame as a strong advocate of daylight saving time in the United States.
May 10, 1869 - The newly contructed tracks of the Union Pacific and Central Pacific railways were first linked at Promontory Point, Utah.
In 1897, President William McKinley appointed the Nicaragua Canal [first Walker] Commission to reexamine the logistics of a canal route through the Isthmus of Nicaragua. The commission estimated the cost of construction at $118,113,790 not including interest and administration. However, when Nicaragua’s President Zelaya invited both Germany and Japan to compete with the United States for construction rights, the U.S. built through Panama instead.