The Battle of Vilnius was the first time a foreign power managed to capture a group of cultural, and historic structures on the left bank of what river?
Battle of Vilnius (1655) The Battle of Vilnius, Wilno, or Vilna was an attack by Russian and Cossack forces on Vilnius (Wilno), the capital of the Grand Duchy of Lithuania within the Polish–Lithuanian Commonwealth, that occurred on 8 August 1655 during the Russo-Polish War (1654–67). The Polish–Lithuanian forces under the leadership of hetman Janusz Radziwiłł were defeated by the Russian army of Alexis of Russia. It was the first time that a foreign power managed to capture the Vilnius Castle Complex. The six-year Muscovite occupation that followed resulted in a major depopulation and a decline of the city for many years to come. The defeat was one of the reasons Janusz Radziwiłł and several other Lithuanian magnates surrendered the Grand Duchy to Sweden at the Union of Kėdainiai.
Bock (Luxembourg) The Bock (Luxembourgish: "Bockfiels" ) is a promontory in the north-eastern corner of Luxembourg City's old historical district. Offering a natural fortification, its rocky cliffs tower above the River Alzette which surrounds it on three sides. It was here that Count Siegfried built his Castle of "Lucilinburhuc" in 963, providing a basis for the development of the town which became Luxembourg. Over the centuries, the Bock and the surrounding defences were reinforced, attacked and rebuilt time and time again as the armies of the Burgundians, Habsburgs, Spaniards, Prussians and French vied for victory over one of Europe's most strategic strongholds, the Fortress of Luxembourg. Warring did not stop until the Treaty of London was signed in 1867, calling for the demolition of the fortifications. Ruins of the old castle and the vast underground system of passages and galleries known as the casemates continue to be a major tourist attraction.