Orders, decorations, and medals of Imperial Germany covers those decorations awarded by the states which came together under Prussian leadership to form the German Empire in 1871. For convenience's sake, this category also covers the decorations of the various German states which were no longer in existence in 1871, mainly because they had been annexed by Prussia during the Wars of Unification or before.
The German Empire consisted of 25 states: four kingdoms, six grand duchies, five duchies, seven principalities and three Hanseatic cities. In addition, the house order of the Hohenzollern principalities, although the states themselves had been annexed by Prussia, continued to be awarded in the imperial era. Each state awarded decorations for civil or military merit. The following is a list of the principal civil and military decorations of each state.
The largest state to be annexed by Prussia was the Kingdom of Hanover. Other states which had ceased to exist by 1871 include the Duchy of Nassau, the electoral principality of Hesse-Kassel (or Hesse-Cassel), the free city of Frankfurt, and several smaller states. The following is a list of the principal civil and military decorations of these states.
German decorations of the First World War were those medals, ribbons, and other decoratios bestowed upon German soldiers, sailors, and also for civilians, during the First World War. These medals were awarded by both Imperial Germany and various German Kingdoms and other states and city-states of the Reich.