WAR

Militaries have been messing around with tear gas—a chemical weapon that dates back to the early 20th century—since World War I.

Kilroy can be found all over the world, and went viral long before social media or the Internet were around.

“Twenty-five years of peace, Mr. Carnegie, and I hope there will be twenty-five more!” Thus Kaiser Wilhelm II greeted Andrew Carnegie, the world-famous industrialist and peace advocate, who had come to Berlin to celebrate the 25th anniversary of the Kaise

Here are six commanders who were dealt bad hands, but bluffed and ended up flush.

In the 1950s and 60s, the U.S. Army conducted training exercises using an imaginary enemy named, quite simply, Aggressor. The soldiers assigned to play the part of Aggressor troops had to speak a different language: Esperanto, the language of peace.

Before the First Balkan War between the Balkan League and the Ottoman Empire was even over, another conflict was brewing—this time between the members of the Balkan League.

While “Dixie” (you know, “Oh, I wish I was in the land of cotton/Old times there are not forgotten…”) might seem as inseparable from the South as collard greens and barbecue, the song was actually written in New York by an Ohio native.