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He worked with Abraham Lincoln on the issue of freeing slaves during the Civil War.
He worked with Abraham Lincoln on the issue of freeing slaves during the Civil War.
The House of Hohenzollern was the Prussian Dynasty during the Age of Absolutism. This dynasty included Frederick the Great (Frederick II), as well as his grandfather Frederick I and his father Frederick William I.
Frederick Barbarossa drowned during the Third Crusade.
Frederick Douglas was a social reformer who used writing to argue against slavery. He himself was a slave before writing his autobiographies.