Wikimedia Commons/Scan by NYPL How Tuberculosis Helped Put Colorado on the Map Before antibiotics, tuberculosis meant a death ...

Shutterstock The Goliad Massacre Santa Anna had a simple rule for foreign fighters: shoot them all. When 400 Texan rebels ...

Wikimedia Commons/John Wesley Jarvis How America’s First Multimillionaire Got Rich Smuggling Opium The richest man in 1800s ...

In 1951, a young girl named Linda Brown walked six blocks just to catch a bus to her all-Black school. A white school sat ...

Wikimedia Commons/National Museum of the U.S. Navy US Navy Sailor Doris "Dorie" Miller, first black recipient of the Navy ...

Wikimedia Commons/Boston Public Library The Tree That Owns Itself in Athens, GA Most trees belong to someone, but not this ...

Wikimedia Commons/NASA The Space Shuttle Challenger Disaster On a freezing January morning in 1986, NASA ignored urgent ...

Wikimedia Commons/U.S. Army Audie Murphy, the most decorated soldier of World War II Audie Murphy, the most decorated soldier ...

Shutterstock The Choctaw Code Talkers of WWI The Germans had cracked every Allied code in World War I until October 1918.

In 1803, America pulled off the biggest real estate deal in history. Napoleon needed cash fast after his Caribbean empire ...

Wikimedia Commons/NASA/Apollo 11 The groundbreaking Apollo 11 moon landing When the Soviets beat America to space twice, ...

Shutterstock The Battle of Concord,1775 The real American Revolution started with 700 British soldiers marching to grab ...