A free on-line resource about the history of the Japanese American WWII exclusion and incarceration experience


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Browse the articles in the Encyclopedia through a list of categories or use the A-Z table of contents.

The Encyclopedia covers key concepts, people, events, and organizations that played a role in the forced removal and incarceration of Japanese Americans during World War II. The reviewed articles are written by a wide range of contributors, and are enhanced with photos, documents and video drawn from Densho's digital archives and other sources.

This Is A Live Project

The Encyclopedia currently contains more than 600 articles. It is a continuing project with new articles and features being added on an ongoing basis. We would appreciate your ideas and feedback.


The Encyclopedia was made possible by grants from the Japanese American Confinement Sites Grant Program, administered by the National Park Service and by the California State Library through the California Civil Liberties Public Education Fund.

This material is based upon work assisted by a grant from the Department of the Interior, National Park Service. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the Department of the Interior.