Constitution Day

How well do you know the U.S. and Colorado constitutions? September 17 is nationally recognized as Constitution Day, a day that encourages learning and familiarity with …

Colorado State Publications Blog

Amy Zimmer

Earth Day

A century ago, what we now know as Earth Day was called Arbor Day. The day was celebrated by planting trees, and in Denver especially, Mayor …

Colorado State Publications Blog

Amy Zimmer

Bats

Today is Halloween, and one of the most recognized symbols of the day, along with ghosts and pumpkins and skeletons, is the bat.  Colorado is …

Colorado State Publications Blog

Amy Zimmer

It's Colorado Day

Today is Colorado Day, marking the anniversary of Colorado’s statehood, granted in 1876 by President Ulysses S. Grant. To celebrate, there is free admission today …

Colorado State Publications Blog

State Publications Library Staff