With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Football coach Knute Rockne of Notre Dame was a pivotal figure in the sudden rise of sports to a position of power in American culture.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
A central figure in the narrative of how the west was won, Wyatt Earp and his story became an American legend. Part of the Wild West collection.
In 1897, Arctic explorer Robert Peary caused a sensation when he returned from Greenland with five Eskimos.
Prohibition's effect on Detroit, Michigan, the first major American city to "go dry," and the growth of the liquor smuggling industry.