The Unfication of Germany By nicoleapai Period: Sep 1, 1814 to Jun 1, 1815 Congress of Vienna Mar 1, 1848 Berlin rioters force constitutional convention and liberal constitution Nov 1, 1848 Prussian army took over Berlin May 22, 1852 The Treaty of London Jan 2, 1861 Wilhelm was crowned king May 1, 1862 Bismark is appointed prime minister Nov 15, 1863 KIng Christian VII of Denmark formed the Danish KIngdom Period: Feb 1, 1864 to Oct 30, 1864 Prussia and Austria faught a war against Denmark lead by Bismark Period: Jun 14, 1866 to Aug 23, 1866 The Austrian Persian War Jul 1, 1867 north German states join North German Confederation Jul 19, 1870 French declared war on Prussia Jan 18, 1871 King Wilhelm 1 of Prussia was crowned kaiser