Italy and Germany unification Timeline By JasavionBates28 1713 Wilhelm I became the king of Prussia 1815 German Confederation was formed 1831 Giuseppe Mazzini organized young Italy 1848 Rebellions in Italy failed 1858 Napoleon III of France agreed to help Cavour in Northern Italy 1860 Count Camillo di Cavour was named prime minister of Sardinia 1860 Giuseppe Garibaldi led the Red Shirts in the unification of Southern Italy 1862 Otto von Bismarck was name prime minister 1864 Bismarck forms an alliance between Prussia and Austria and fought Denmark 1866 Seven Weeks’ War – Prussia fought against Austria 1870 Italian forces took over the Papal States leading to Italian unification 1870 Franco-Prussian War – Prussia fought against France 1871 Prussia defeated France and Germany was born (unified) 1919 Frederick William III agreed to the creation of a liberal constitution