On April 22, 1970, more than 20 million Americans gathered on college campuses and in city squares to celebrate the first Earth Day. Some came to spread the word, others came to learn, but all were a part of the largest organized demonstration in American history. See these snapshots of events around the country.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
The 1968 Democratic National Convention saw a clash of political visions on the convention floor and violence outside on the streets of Chicago.
A sensational story of power, class, and revenge in New York City when Harry Thaw murdered Stanford White over showgirl Evelyn Nesbit.
Newspaper magnate William Randolph Hearst fought to suppress a film by Orson Welles, a film that would become one of cinema's masterpieces.
Originally settled as a mail stop, Las Vegas changed from an Old West vacation town, to a mafia haven, to the "Atomic City" and "Sin City."
The most daring and innovative accomplishment at the turn of the 20th century.
Accused by a janitor, a respected Harvard professor was hanged for the murder of Dr. George Parkman, one of Boston's richest citizens, in 1849.
Television game shows became an instant national phenomenon in 1955, but four years later contestant Charles van Doren admitted they were a scam.