 Trg u Golupcu - [town center in Golubac, Daunbe river, Serbia]
The archeological sites include the remnants of one of Roman Emperor Trajan's tables near Trajan's Bridge, found along his road through the Danube's Iron Gates; and the Roman fortress Diana. Golubac fortress, 4km downstream, is from the 14th century and also of interest. The fortress was a place of a battle against the Turks in 1428, where the Polish knight Zawisza Czarny was captured and murdered by the Turks. http://www.panoramio.com/photo/12538252
 Zawisza Czarny in a detail of Jan Matejko's Battle of Grunwald
Zawisza Czarny z Garbowa (Zawisza the Black of Garbów, also known as The Black Knight; c. 1379 in Stary Garbów, Poland – 1428 in Golubac, Serbia), Sulima Coat of Arms, was a famous Polish mediæval knight and diplomat. http://www.search.com/reference/Zawisza_Czarny
Zawisza Czarny
born in Poland, dedicated himself to freedom of Slavija, gave his honorable life in Serbia for liberation of Racowie (Serbians)
    
text on the table says (translation from Serbian):
``In Golubac, his life was taken by the Turks in 1428, the famous Polish knight, the symbol of the courage and honor, Zawisza the Black. Glory to the hero!``
After Sigismund’s defeat at Kutná Hora, Zawisza was captured by the Czechs and subsequently released for a high ransom. In 1428, he fought the Turks at the Battle of Golubac on the Danube in modern-day Serbia. He was captured and probably murdered.
After his death, he was praised by the Polish historian Jan Długosz, the poet and Canon of Gniezno Adam Świnka, and by King Sigismund of Luxembourg. For many Poles, Zawisza became a popular folk hero, famed for his bravery, reliability, and loyalty. The Polish Scouts oath is "Polegać na nim jak na Zawiszy" ('to rely on him as on Zawisza'). A monument to Zawisza at Golubac fortress, Serbia, bears the inscription: "In Golubac, his life was taken by the Turks in 1428, the famous Polish knight, the symbol of courage and honor, Zawisza the Black. Glory to the hero!" Several Polish football clubs and other sports teams were named after him, including, Zawisza Bydgoszcz. http://en.wikipedia.org/wiki/Zawisza_Czarny
 Sulima Coat of Arms
Golubac
http://www.serbia-visit.com/Golubac.87.0.html
In the place where the Danube got enlarged after the first narrow passages, the site of Golubac has been situated nonchalantly on the coast of a kind of a peaceful internal lake. Taking advantage of the 6 km width of the Danube and of a continuant West-East wind Golubac used to entertain the national championships in sailing and kayak. The Fortress

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