<P> The United States Congress passed an enabling act on March 3 , 1875 , specifying the requirements for the Territory of Colorado to become a state . On August 1 , 1876 ( 28 days after the Centennial of the United States ) , U.S. President Ulysses S. Grant signed a proclamation admitting the state of Colorado to the Union as the 38th state and earning it the moniker `` Centennial State '' . The borders of the new state coincided with the borders established for the Colorado Territory . </P>
<P> The United States Congress passed an enabling act on March 3 , 1875 , specifying the requirements for the Territory of Colorado to become a state . On August 1 , 1876 ( 28 days after the Centennial of the United States ) , U.S. President Ulysses S. Grant signed a proclamation admitting the state of Colorado to the Union as the 38th state and earning it the moniker `` Centennial State '' . The borders of the new state coincided with the borders established for the Colorado Territory . </P>
when did colorado become part of the united states
when did colorado become part of the united states
August 1 , 1876
August 1 , 1876