U.S. History
All the major chapters in the American story, from Indigenous beginnings to the present day.
World History
History from countries and communities across the globe, including the world’s major wars.
Eras & Ages
From prehistory, though antiquity and into the 21st century, all of history’s biggest chapters.
Culture & Tradition
The stories behind the faiths, food, entertainment and holidays that shape our world.
Science & Innovation
The pivotal discoveries, visionary inventors and natural phenomena that impacted history.
Get a closer look at the Hue Massacre in Vietnam.
Search and Destroy missions were a crucial part of the American war strategy in Vietnam.
Discover facts, figures and history about Vietnam.
The UH-1 "Huey" helicopter became a symbol of U.S. combat forces in Vietnam.
In 1968, Ron Ridenhour, an infantryman in Vietnam, wrote a letter to President Nixon detailing the murder of 500 civillians by the U.S. Army in what would come to be known as the My Lai Massacre.
