The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
Between 1890 and 1920, 12 million people emigrated from Europe arriving in New York Harbor and Ellis Island.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
In 1967, thousands of hippies flocked to San Francisco's Haight Ashbury district.
The country's oldest beauty contest has become a battleground and a barometer for the position of women in society.
Newspaper magnate William Randolph Hearst fought to suppress a film by Orson Welles, a film that would become one of cinema's masterpieces.
French settlers in Louisiana merged with African Americans, Afro-Caribbeans and others to create Cajun and Zydeco musical traditions.