Portuguese discovery of the sea route to India of the "São Gabriel" and its sister ship, the "São Rafael" that were used by Vasco da Gama to sail past the Cape of Good Hope and continue to India. One of the sailors, Bartolomeu Dias passed the southernmost point of Africa known as the Cape of Good Hope in 1488. He declared it possible to travel to India by going around Africa. The Portuguese were then able to make an immense profit by using their own ships to retrieve the spices. This global expedition was launched on 8 July 1497. It concluded two years later with the entry of
Ocean to Ocean Bridge into position. The span was floated down river and swung into place carefully and methodically on March 3, 1915, followed by local praise and celebration. Following completion, the Ocean To Ocean Bridge was ceremoniously opened to the public on May 22, 1915. The bridge became a crucial link in the nationwide transcontinental Ocean-to-Ocean Highway and was also the first highway bridge across the lower Colorado River. On November 11, 1926, the bridge became part of U.S. Route 80. The successor to the earlier Ocean-to-Ocean Highway, US 80 became the primary east to west transcontinental highway in Arizona and between the