Arizona were using Arizona as a base to raid the nearby Mexican settlements, as part of their wars against Mexico. Arizona became a U.S. state on February 14, 1912. Arizona was the 48th state admitted to the U.S. and the last of the contiguous states to be admitted. Cotton farming and copper mining, two of Arizona's most important statewide industries, suffered heavily during the Great Depression. But during the 1920s and even the 1930s, tourism began to develop as the important Arizonan industry it is today. Dude ranches, such as the K L Bar and Remuda in Wickenburg, along with the
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