Prussia was a German state centred on the North European Plain that originated from the 1525 secularization of the Prussian part of the State of the Teutonic Order.
It formed the German Empire when it united the Germa… See more

The main coat of arms of Prussia, as well as the flag of Prussia, depicted a black eagle on a white background.
The black and white national colours were already used by the Teutonic Knights and by the … See more

Before its abolition, the territory of the Free State of Prussia included the provinces of East Prussia; Brandenburg; Saxony (including much of the present-day state of Saxony-Anhalt and parts of the state of Thuringia in … See more

In the mid-16th century the margraves of Brandenburg had become highly dependent on the estates (representing counts, lords, knights, and towns, but not prelates, owing to the Protestant Reformation in 1538). The margraviat… See more

In 1871, Prussia's population numbered 24.69 million, accounting for 60% of the German Empire's population. The population grew rapidly from 45 million in 1880 to 56 million in 1900, thanks to declining m… See more