Colorado State Nickname
The Centennial State
Colorado is nicknamed the “Centennial State” because it became a state in the
the year 1876, 100 years after the signing of our nation’s Declaration of Independence. CO is the Two-letter or Postal Abbreviation and Color. is the Traditional or Standard Abbreviation for the State of Colorado.
Colorado also is called “Colorful Colorado” presumably because of its magnificent
scenery of mountains, rivers, and plains. This phrase has decorated maps, car license plates, tourist
information centers and souvenirs of all kinds!