Colorado (1876), North Dakota (1889), South Dakota (1889), Montana (1889), Washington (1889), Idaho (1890), Wyoming (1890), Utah (1896), Oklahoma (1907), New Mexico (1912), Arizona (1912), Alaska (1959), and Hawaii (1959) joined the union after 1871.
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Colorado did. It is also called the Centennial State because it entered a hundred years after the Declaration of Independence.
Colorado is the 38th state to began the Union.
california
West Virginia is the state entered the Union during the Civil War. The exact date was on June 2, 1863.
On Monday September 9,1850 California entered the Union as the 31st state.
1820