German Unification Timeline By valottom Period: Aug 25, 1805 to Oct 14, 1806 Napoleon invades German lands Period: Sep 1, 1814 to Jun 9, 1815 The Congress of Vienna Apr 1, 1815 Otto Von Bismarck birth Period: Jan 1, 1834 to Jan 1, 1854 Zollverein The Zollverein, or German Customs Union, was a coalition of German states formed to manage tariffs and economic policies within their territories. Period: Jun 7, 1840 to Jan 2, 1861 Fredrick William IV is offrered the throne Period: May 18, 1848 to May 31, 1849 Frankfurt Assembly demands unity Sep 30, 1862 The Blood and Iron speech Period: Jun 14, 1866 to Aug 23, 1866 Bismarck declares was on Denmark Period: Jul 19, 1870 to May 10, 1871 Franco Prussian War Mar 21, 1871 Bismarck becomes prime minister
