Describes the United States during the decade of the forties, focusing on involvement in World War II, becoming a superpower, and the development of "pop" music and television.

Discusses four major events during the 1910s: changes in musical styles and performance, the fight for a woman's right to vote, the debut of silent films, and the beginning of World War I.

Discusses four major events during the 1970s: Watergate and Nixon's resignation, the beginning of the environmental movement, the blockbuster movies of Spielberg and Lucas, and the popularity of punk and disco music.