Colorado State Nickname

The Centennial State

Colorado is often referred to as the "Centennial State," a nickname that commemorates its admission to the Union as the 38th state on August 1, 1876, marking the centennial anniversary of the United States Declaration of Independence. This moniker reflects the state's historical connection to the nation's founding and its establishment during a significant milestone in American history. The nickname also underscores the pride and celebration associated with Colorado's role in the country's development, making it a fitting designation for a state with a rich and diverse cultural and natural heritage.

State Quizzes & Flashcards

Test your knowledge of the 50 States of the USA with these fun and interactive quizzes & flashcards!

Fee USA Maps

Download and printout hundreds of state maps. Each state map comes in PDF format, with capitals and cities, both labeled and blank. Visit for thousands of free world, country and USA maps. View all USA Maps