Lauenburg entered the North German confederation in 1866 and the new German empire in 1870.
In 1871 the emperor presented him with a large part of the domains of the duchy of Lauenburg.
The population of the Duchy of Lauenburg is (then) Slavonic.
Franz Albert of Lauenburg, who had joined the army the day before, rode by the king.
In 1890 Prince Bismarck received the title of duke of Lauenburg.