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

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 See more

• Alte Nationalgalerie, Berlin
• Altes Museum, Berlin
• Bode Museum, Berlin See more

• Avraham, Doron (October 2008). "The Social and Religious Meaning of Nationalism: The Case of Prussian Conservatism 1815–1871". European History Quarterly. … See more

Before its abolition, the territory of the Free State of Prussia included the provinces of East Prussia; Brandenburg; Saxony (including much of … See more

Teutonic Order
In 1211 King Andrew II of Hungary granted Burzenland in Transylvania as a fiefdom to the See more

Population
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 mortality, … See more