PRUSSIAN 1897 CENTENARY MEDAL
The Prussian 1897 Centenary Medal (Zentenarmedaille) was officially titled the Medaille zur Erinnerung an des Hochseligen Kaisers und Königs Wilhelm I., des Großen, Majestät to honor the 100th Birthday of Kaiser Wilhelm I. It was established by Kaiser Wilhelm II (Kaiser Wilhelm I's grandson) through a Royal Order effective 22 March 1897 and was given to all active duty Imperial German military personnel and veterans of the wars of 1848, 1864, 1866, and 1870-1871.