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
Referendums related to the European Union Croatia was admitted as a member of the EU, acceding on 1 July 2013. A referendum was held in San Marino on whether the country should submit an application to join the European Union as a full member state. The Unified Patent Court is a proposed court between several EU member states, that, inter alia, is to be constituted for litigation related to the European Union patent. Countries which seek to join the European Union in the future may hold a referendum as part of the accession process. In addition, Article 88-5 of the Constitution of France requires a referendum