The development of chemical warfare around the time of World War I led to the use of tear gas as a weapon by civilian police forces.
How can we help students understand George Floyd's death in the context of institutionalized racism?
“The idea that the federal government would be providing emergency relief and emergency work was extraordinary,” one sociologist said. “And people liked it.”
Baseball's creation myth is bunk, and historians have shown how important cities were to the game's development. But it was still a rural passion.
In World War I, the Victory Garden movement encouraged people to grow their own food to conserve home-front supplies. But kids' gardens had planted the roots.
Nothing drives that home more than this amazing photo collection from the Philadelphia General Hospital School of Nursing.
Recent changes to the Migratory Bird Treaty Act of 1918 leave birds vulnerable to industry, experts say.
Right when the U.S. needed supplies for World War II, military contractors started overcharging. An obscure senator from Missouri challenged them.
During the influenza pandemic, the Arizona city's police force fined and arrested people for not wearing face masks.
American popular culture flourished in the 1930s, despite the Great Depression. One thing that helped: artists being included in the New Deal.