Eighth Illinois regiment in France, ca. 1918. (Gilder Lehrman Collection)

A select group of material highlights the major events of the twentieth century including World War I, World War II, women’s suffrage, the Civil Rights Movement, and the Cold War.

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Educational Resources:

Educational materials including essays, timelines, multimedia, interactives, featured primary sources, and other teaching resources can be found in the History by Era section of our website. Our Featured Primary Sources include introductions, transcriptions, and images of documents, available to all educators, with additional content of questions for discussion and printable hand-outs for Affiliate School members.

Progressive Era to New Era, 1900–1929

Great Depression & WWII, 1929–1945

1945 to the Present

Common Core Units for this Era

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4th grade
cold war