Contains essays that examine significant events in the history of the early twentieth century from 1901 to 1940, covering world politics, society and culture, literary movements, art and music, immigration, and legislation; arranged chronologically with maps, illustrations, and quotations for primary souce documents.

Discusses the events and achievements of the twentieth century that transformed the world.

Covers major events and discoveries of the twentieth century.

Presents essays arranged in chronological order on key world events that occurred in such areas as politics, science, medicine, communications, literature, music, philosophy, and international affairs during the twentieth century.