Schleswig-Holstein was conquered by Prussia and after Prussia's success in the Franco-Prussian War a Prussian-led German Empire was created and a new power-balance of the Baltic sea countries was established.
Schleswig-Holstein foi conquistado por Prusia e, despois do éxito de Prusia na guerra franco-prusiana, creouse un Imperio Alemán conducido por prusianos, e estableceuse un novo equilibrio de poder nos países do Mar Báltico.