About 1841 the celebrated Needle Gun was invented in Prussia, and its superiority over all muzzle-loaders was demonstrated in 1848 in the first Schleswig-Holstein war. 威廉·亨利·杜利特.世纪发明.
The King of Denmark came into the German confederation by virtue of certain German-speaking possessions in Holstein. 赫伯特·乔治·威尔斯.世界史纲.