Collins Dictionary of 20th Century History is the definitive guide to humankind's most momentous century. Fully comprehensive and authoritative, this is the essential guide to modern history, from World War I and the Bolshevik Revolution to space travel and modern pandemics. Provides quick answers to who, what or when in the last century.

- With thousands of entries it covers the key people, events and social and political changes
- Major entries covering the history of individual countries
- Details of internet resources to help you take the subject further
- Adapted from a major encyclopedic database to provide both depth of coverage and up-to-date information