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Prussia had worked for control of a unified German state since 1640 and the Prussian king became the hereditary German emperor
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In the 1860s Bismarck was faced with a hostile liberal majority in Parliament
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In 1862 Wilhelm I of Prussia appointed Otto von Bismarck prime minister
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In 1866 Bismarck led a good war against Austria and gave up the shared affairs in Schleswig and Holstein
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In 1867 as a result of Bismarck’s diplomacy Prussia gained three more states and the free city of Frankfurt
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On January 18, 1871, Wilhelm I of Prussia was officially crowned emperor of Germany
