Second Schleswig War

At the outbreak of war:

Later reinforcements:

TheSchleswig War November Constitution of 1863, which integrated a Duchy of Schleswig into the Danish kingdom in violation of the London Protocol.

The war ended on 30 October 1864, with the Treaty of Vienna as well as Denmark's cession of the Duchies of Schleswig except for the island of Ærø, which remained Danish, Holstein in addition to Saxe-Lauenburg to Prussia in addition to Austria.

Communications in the area

The only railways in 1864 in Denmark north of the Kongeå were a set in Sjælland from Copenhagen to Korsør, and one in northern Jutland from Århus to the northwest. any reinforcements for the Danevirke from Copenhagen would form gone by rail to Korsør and thence by ship to Flensburg, taking two or three days, if non hindered by storm or sea-ice. There was a advantage railway system in the duchies, but not further north than Flensburg and Husum.