Did You Know

These superb and highly influential Army bands helped pioneer the emergence of Jazz and bring it to international audiences. All were part of Black regiments hailing from New York City, Philadelphia, Washington, D.C., and Chicago.

Soldiers learned it. It was used to promote the sale of war bonds. And it helped make the red poppy one of the war's great symbols of loss.

There is nothing more heart-wrenching to veterans with families than having to explain why daddy hasn't been the same ever since he returned from the war. A. A. Milne was struggling to explain this harsh reality to his own child when he penned the children's classic.

While the Purple Heart is one of the most recognizable medals the US military offers to men and women in its service, the actual story of the decoration is often overlooked.

By 1917 sound recording had come of age, and Americans would take full advantage on the home front and even overseas.

It lets users make phone calls, read e-mail, surf the web, pay for groceries and even monitor their health right from their wrists. But this hi-tech device may never have come to fruition if World War I had not erased the cultural stigma around wristwatches.

Want to learn more about the war? Here is a list of immersive games that promote a deeper understanding about the period and conflict that defined a generation and still affects the world to this day.

A segregated regiment composed mostly of Black and Puerto Rican troops, the ‘Harlem Hellfighters’ were deployed to France in 1917. They earned their nickname from their German foes, who were impressed by their enemies' bravery on the battlefield.

Keeping vigil at the Tomb of the Unknown Soldier, in Arlington National Cemetery, are the sentinel guards, whose every step, every turn, honors and remembers America’s fallen.