Duchy of Warsaw: Did you mean...?

The Duchy of Athens was a Latin or Frankish state in Greece that existed from 1205 to 1458 CE. It was created in the aftermath of the Fourth Crusade (1202-1204 CE) and would be ruled for the majority of its history by the Burgundian...

Prince Józef Poniatowski (1763-1813) was a Polish soldier and patriot, who served as commander-in-chief of the Polish army during the Napoleonic Wars (1803-1815). A steadfast ally of French Emperor Napoleon I (r. 1804-1814; 1815...

Thessaly was an independent state in medieval Greece from 1267 or 1268 to 1394 CE, first as the Greek-ruled Thessaly and later as the Catalan and Latin-ruled Duchy of Neopatras. Under its sebastokrators, Thessaly...

During the Warsaw Ghetto Uprising (April-May 1943), SS and SD officers force a group of Jews to leave their shelter. Second from the right, pointing a submachine gun at a Jewish boy holding his hands above his head, is SS-Rotenfuerer...

A 1778 oil-on-canvas painting, Church of the Holy Cross in Warsaw, by Bernardo Bellotto. (Royal Castle, Warsaw)

A photograph showing the damage to Warsaw following the German invasion of Poland in September 1939. Photograph taken in October. Imperial War Museums

Adolf Hitler (1889-1945) reviewing a victory parade in Warsaw following the German invasion of Poland in September 1939. Photo taken on 5 September. (Imperial War Museums)

A photograph showing a walled-off Jewish ghetto in Warsaw following the German occupation of Poland from September 1939. (Imperial War Museums)

The January Uprising of 1863 was a conflict between Tsarist Russia and Polish insurgents striving for independence. The uprising continued until October 1864, when it was suppressed...

The Despotate of the Morea was a semi-autonomous appanage of the later Byzantine Empire. The Byzantines retook part of the Peloponnese in Southern Greece in 1262 CE, but the Morea was only officially governed by semi-autonomous...