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.
Late in the war, the U.S. controversially expanded their attacks into Cambodia.
Psychiatric nurse Elizabeth Allen volunteered for the Army and requested frontline duty in Vietnam.
Search and Destroy missions were a crucial part of the American war strategy in Vietnam.
This massive North Vietnamese surprise attack during the 1968 Tet holiday was a crucial turning point in the war.
Helicopters played a vital role in America's air mobility strategy.