Germany By tazjaz Mar 1, 1848 in Prussia and the Frankfurt Parliament Deminstrations in Berlin led King Frederick William IV grant a liberal constitution. Nov 1, 1848 Pursia army Pursia army took control of Berlin Period: Jan 1, 1850 to Nov 27, 1866 german confederation Jan 1, 1863 The Scheswig-Holstein question and the war against Denmark went from 1863-1864 Period: Feb 25, 1863 to Feb 25, 1866 persia expands Feb 1, 1864 Prussia Expands Jan 1, 1866 Austrian-Prussian War or Seven Weeks' War