1903
Centuries: 19th century - 20th century - 21st century
Decades: 1850s 1860s 1870s 1880s 1890s - 1900s - 1910s 1920s 1930s 1940s 1950s
Years: 1898 1899 1900 1901 1902 - 1903 - 1904 1905 1906 1907 1908
Events
- February 7 - The Salt River Valley Water Users' Association was incorporated.
- October 5 - The Department of the Interior authorized the construction of Tonto Basin Dam as the first large irrigation project attempted by the federal government.
