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.
Learn about the use of poisonous gas during WWI.
After the repeated sinking of American ships, the President declares war. Historic film footage shows some of the first naval battles.
An ill-fated assault on Turkish forces leads to 500,000 casualties in World War I.
After two years of trench warfare, the Allies attempt to break through German lines on the Western Front. The ensuing battle will last for months and result in more than one million casualties.
In the years leading up to WWI, a series of agreements between the powers of Europe helped determine where and when battlelines were drawn.
