Nationalism in Italy and Germany By 3104545 1815 German confederation was formed 1815 Frederick William III agreed to the creation of a liberal constitution 1831 Giuseppe Mazzini organized young Italy 1831 Rebellions in Italy failed 1852 Count Camillo di Cavour was named Prime Minister of Sardinia 1859 Napoleon III of France agreed to help Cavour in Northern Italy 1861 Wilhelm I became the king of Prussia 1861 Giuseppe Garibaldi led the Red Shirts in the unification of Southern Italy 1862 Otto von Bismarck was named Prime Minister 1866 Seven Week's 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)