Prussia: Did you mean...?

A statue of the German philosopher Immanuel Kant (1724-1804). In Kaliningrad, Russia (Köningsberg, East Prussia when Kant lived there).

A photo taken at one of Adolf Hitler's WWII command centres, the Wolf's Lair in East Prussia. On the far left is Claus von Stauffenberg (1907-44) who placed a bomb in a command hut there on 20 July 1944 in an unsuccessful attempt to assassinate...

Marienburg Castle, built by the Teutonic Order in Prussia (now part of Poland and called Malbork Castle) in the 13th century CE.

Tsar Alexander I of Russia, Emperor Francis I of Austria, and King Frederick William III of Prussia meet after defeating Napoleon at the Battle of Leipzig (16-19 October 1813). Oil on canvas by Johann Peter Krafft, 1839. Deutsches Historisches...

Sophie Charlotte Princess of Braunschweig-Lüneburg, Queen in Prussia, oil on canvas by Noël Jouvenet, 17th century. Charlottenburg Palace, Berlin. Stiftung Preußische Schlösser und Gärten Berlin-Brandenburg & Handrick, Roland (1999)

The First Crusade (1095-1102) was a military campaign by western European forces to recapture the city of Jerusalem and the Holy Land from Muslim control. Conceived by Pope Urban II following an appeal from the Byzantine emperor Alexios I...

The Crusades were a series of military campaigns organised by popes and Christian western powers to take Jerusalem and the Holy Land back from Muslim control and then defend those gains. There were eight major official crusades between 1095...

The French Revolution (1789-1799) was a period of major societal and political upheaval in France. It witnessed the collapse of the monarchy, the establishment of the First French Republic, and culminated in the rise of Napoleon Bonaparte...

The Enlightenment (Age of Reason) was a revolution in thought in Europe and North America from the late 17th century to the late 18th century. The Enlightenment involved new approaches in philosophy, science, and politics. Above all, the...

The Treaty of Versailles, signed in June 1919, was an agreement between the victors of the First World War (1914-18) which redivided parts of Europe and imposed reparations, armament limitations, and total blame for the war on Germany, one...