"Includes more than 2,700 signed essays ranging from 500 to 2,500 words, written by subject experts and edited to form a consistent, readable, and straightforward reference...

Contains "alphabetically arranged entries that focus on the period's scientific, social and cultural history as well as the political, military and economic developments...

"Presents 500 entries describing Americans who defined the decade, including politicians, athletes, entertainers, and artists, among many others...

Decade-by-decade coverage of American social history during the 20th century...

"Covers major American conflicts from the Colonial Wars through the War on Terrorism in the context of cultural and social events and conditions on the home front...

Contains 2,500 entries...

Contains entries covering the period from World War II and the breakup of the Soviet Union in 1991...

Contains more than 400 articles (along with maps, pictures and photographs) on the colonial empire of Portugal, Spain, France, Great Britain, the Netherlands, Belgium, Germany, Italy and the United States from the voyages of Prince Henry the Navigator of Portugal to the present...

"Contains over 800 entries covering all of Europe and the successor states to the former Soviet Union, with an emphasis on politics, governments, organizations, people, and events crucial to an understanding of postwar Europe...

Contains lengthy discussions, arranged in chronological orders, of wars in American history from 1621 to the present, including the War on Terrorism...

Contains the texts of "key sources as well as a guide to the documents, a path through them and essential data on the role, form and vocabulary of treaties in general...

Contains entries which give "in-depth global coverage on this scale to the modern phenomenon of fascism from its first stirrings in the nineteenth century up to the beginning of the new millennium...