August 5, 1760 → August 5, 1900
January 16, 1864 → January 16, 1871
The Duchy of Holstein was a part of the German Confederation, while Schleswig was not. Denmark and Germany were fighting for control over these two duchies. Although the London ProtocolThe London ProtocolThe major European nations, such as Britain, France, Russia, and Austria, stepped in to diplomatically resolve the First Schleswig War. The London Protocol, signed on May 8, 1852, confirmed that… of 1852 had tried to resolve the status of the duchies in relation to Denmark, there were continuous tensions between Denmark and Germany. In 1863, Denmark tried to integrate Schleswig more closely, violating the agreements in the London ProtocolThe London ProtocolThe major European nations, such as Britain, France, Russia, and Austria, stepped in to diplomatically resolve the First Schleswig War. The London Protocol, signed on May 8, 1852, confirmed that…. Prussia and Austria, both seeking influence in the German Confederation and beyond, responded to this action by giving an ultimatum. Denmark rejected the ultimatum, leading to the invasion of SchleswigThe Invasion of SchleswigThe Duchy of Holstein was a part of the German Confederation, while Schleswig was not. Denmark and Germany were fighting for control over these two duchies. Although the London Protocol… by Prussian and Austrian forces in early 1864.



