Every year the United States celebrates Constitution Day on September 17. How much do you know about U.S. constitutional rights? Did you know that those rights are different in the context of public schools? School officials have significant leeway when instituting and enforcing rules to maintain a safe environment conducive to learning but, over the…
![Boulder [Hoover] Dam](https://primarysourcenexus.org/wp-content/uploads/2017/12/boulder-dam.jpg)
Today in History–December 21–the Library of Congress features the Hoover Dam, which got its start when President Calvin Coolidge signed the Boulder Canyon Project Act on this date in 1928. Originally known as the Boulder Dam, this wonder of civil engineering distributes water from the Colorado River for use in Arizona, California, Colorado, Nevada, New Mexico, Utah,…
Today in History–May 5–the Library of Congress features Cinco de Mayo. On May 5, 1862, Mexican troops successfully defended the town of Puebla against French forces. In the spring of 1863, the city was recaptured by the French and a European was crowned Emperor of Mexico. Emperor Maximillian remained in power until 1867 when Napoleon III withdrew troops…
Today in History–January 24–the Library of Congress features gold, discovered in California on this day in 1848. The discovery was first met with skepticism and the California gold rush did not begin in full until after an endorsement from President James Polk in December, 1848. Learn more by visiting the Today in History section, then click the links below to discover…
Today in History–August 1–the Library of Congress features Colorado, which entered the Union this day in 1876, becoming the thirty-eighth state known as the Centennial State. Visit the Today in History section to learn about the state’s history and culture, then follow the links below to access more primary source treasures. Colorado primary source set with Teacher’s Guide Raising Voices: Annotated Resource Sets…