1864年丹麦在普丹战争中战败，失去了40%的领土和38.5%的人口；这是丹麦历史上最血腥的战争，1864年也成为了丹麦历史的关键转折。

During Napoleon's victorious campaign in Germany, the city of Kolberg gets isolated from the retreating Prussian forces. The population of Kolberg refuses to capitulate and organizes the resistance against the French army, which immediately submits the city to massive bombardments.