Phoenix, Arizona supplied both water and electricity, becoming the first multi-purpose dam, and Roosevelt himself attended the official dedication on May 18, 1911. At the time, it was the largest masonry dam in the world, forming a lake in the mountain east of Phoenix. The dam would be renamed after Teddy Roosevelt in 1917, and the lake would follow suit in 1959. On February 14, 1912, Phoenix became a state capital, as Arizona was admitted to the Union as the 48th state under President William Howard Taft. This occurred just six months after Taft had vetoed a joint congressional resolution granting statehood
Admission to the Union part of New York and was not admitted until New York consented); two large additions to Nevada, which became a state in 1864, were made in 1866 and 1867. However, there have been numerous minor adjustments to state boundaries over the years due to improved surveys, resolution of ambiguous or disputed boundary definitions, or minor mutually agreed boundary adjustments for administrative convenience or other purposes. One notable example is the case "New Jersey v. New York", in which New Jersey won roughly 90% of Ellis Island from New York in 1998. In addition to the original 13, six subsequent states