On January 16, 1864, they sent to Copenhagen a demand for the withdrawal of the constitution for Schleswig within two days.

The Danish Foreign Minister pointed out that, as the Rigsraad was not in session, this could not possibly be done within two days.

In this last step, then, the German Powers were undoubtedly the aggressors[1].

The Prussian troops were ready near the River Eider, and at once invaded Schleswig.

The Danes were soon beaten on the mainland; then a pause occurred, during which a Conference of the Powers concerned was held at London.