Which is the Keystone State and why?
Pennsylvania is known as the Keystone State because Pennsylvania was the center colony of the original 13 colonies. It held the colonies together like the "keystone" in a window or door arch.
- Home
- Fun fact about relative height
“The highest point in Pennsylvania is lower than the lowest point in Colorado.”
More from this shelf
Fact about extreme temperature variation in Colorado
The highest temperature ever recorded in Colorado was 118 °F (48 °C) on 1888-07-11, at Bennett, while the lowest was -61 °F (-52 °C) on 1985-02-01, at Maybell.
Where were the Declaration of Independence and Constitution signed?
Both the Declaration of Independence and the US Constitution were signed at Independence Hall in Philadelphia.