• Great Events from History: The Twentieth Century, 1901-1940

• Great Events from History: The Twentieth Century, 1941-1970

(Gale) Gale OneFile: War and Terrorism contains millions of articles to help researchers gain valuable insight into conflicts and their causes, impact, and perception on a global scale. This definitive collection is intended for analysts, risk management professionals, and students of military science, history, and social science.

(Gale) Gale OneFile: Pop Culture Studies analyzes and contributes to popular culture by offering useful information for researchers in social science, history, art, and liberal arts courses.

(Gale) Gale OneFile: Military and Intelligence contains scholarly journals, magazines, and reports covering all aspects of past and present military affairs. Updated daily, content supports key subject areas, such as governmental policies, the socioeconomic effects of war, the structure of the armed forces, and more.

(Gale) Gale In Context: World History is an engaging online experience for those seeking contextual information on hundreds of the most significant people, events and topics in World History. World History merges Gale's authoritative reference content with full-text magazines, academic journals, news articles, primary source documents, images, videos, audio files and links to vetted websites organized into a user-friendly portal experience.

(Gale) Gale In Context: U.S. History is an engaging online experience for those seeking contextual information on hundreds of the most significant people, events and topics in U.S. History. U.S. History merges Gale's authoritative reference content with full-text magazines, academic journals, news articles, primary source documents, images, videos, audio files and links to vetted websites organized into a user-friendly portal experience.

• Defining Documents in World History: The Ancient World (2700 B.C.E.–c.500 C.E.)
   
• Defining Documents in World History: Middle Ages (476–1500)

• Defining Documents in American History: The American Economy
• Defining Documents in American History: American Citizenship

• Defining Documents in American History: The 1950s (1950-1959)
   
• Defining Documents in American History: The 1960s (1960–1969)