"Ewich tosamende ungedelt"

It was once handed over by the Danish king to his younger son, but soon the former Duchy of Schleswig was taken over by the counts of Holstein. Also, in the following years it was repeatedly contested. In 1460, the Schleswig-Holstein nobility and King Christian I of Denmark agreed that Schleswig and Holstein should remain "ewich tosamende ungedelt" (eternally together undivided). This treaty created a governmental bond between Schleswig and Holstein and Denmark. But before the two former duchies were united - first as a Prussian province and later in the federal state of Schleswig-Holstein - Schleswig again became a bone of contention in the German-Danish War of 1864.