German Unification Timeline By tmhvchs Mar 1, 1848 King Frederick William IV grants a liberal constitution Nov 1, 1848 Prussian Army Takes Control of Britain Period: Jan 1, 1850 to Dec 31, 1850 Austria and Prussia Restore German Confederation Period: Jan 1, 1860 to Dec 31, 1869 Unification of Germany Begins Period: Jan 1, 1862 to Dec 31, 1862 Otto von Bismark Appointed Chancellor of Prussia Period: Jan 1, 1863 to Dec 31, 1863 Prussia/Denmark War