Palace of the Grand Dukes of Lithuania

The Palace of the Grand Dukes of Lithuania (Lithuanian: Lietuvos Didžiosios Kunigaikštystės valdovų rūmai Vilniaus žemutinėje pilyje; Polish: Zamek Dolny w Wilnie) is a palace in Vilnius, Lithuania. It was originally constructed in the 15th century for the rulers of the Grand Duchy of Lithuania and the future Kings of Poland. The palace, located in the lower castle of Vilnius, evolved over the years and prospered during the 16th and mid-17th centuries. For four centuries the palace was the political, administrative and cultural centre of the Polish–Lithuanian Commonwealth. It was demolished in 1801. Work on a new palace started in 2002 on the site of the original building, and it was opened on 6 July 2009.

In the 13th and 14th centuries there were stone structures within the palace site; some archaeologists believe that a wooden palace stood there as well. The stone palace was built in the 15th century, apparently after a major fire in 1419. The existing stone buildings and defensive structures of the lower castle, which blocked the construction, were demolished. The palace was built in Gothic style. The keep of the upper castle, as well as the palace, were meant to host the coronation of Vytautas the Great. The Gothic palace had three wings; research suggests that it was a two-story building with a basement.

Grand Duke Alexander Jagiellon, who later became King of Poland, moved his residence to the palace, where he met with ambassadors. He ordered the renovation of it. After his marriage to a daughter of Moscow's Grand Duke Ivan III, the royal couple lived and died in there.

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