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July Monarchy - Wikipedia
History of Austria - Wikipedia
1848: The Year of Revolutions | History Hit
The Year Europe Revolted | The Nation
The Communist Manifesto | Summary, Quotations, & Facts
1848–49 United States House of Representatives elections - Wikipedia
European Revolutions of 1848 | Causes & Significance
The "Spring of Nations", Revolutionary Europe in 1848
The 1848 German Revolutions | Origins
California Gold Rush | Definition, History, & Facts | Britannica