Palace of the Grand Dukes of Lithuania Palace of the Grand Dukes of Lithuania The Palace of the Grand Dukes of Lithuania (; ) 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
Law of Lithuania the Grand Duke of Lithuania Casimir Jagiellon with the Lithuanian Council of Lords. It is considered to be the first codified law of the Grand Duchy of Lithuania. Statutes of Lithuania, published three times (in 1529, 1566 and 1588) were the most influent legal codes of Lithuania. The third variant of the Statute was in force in the territory of Lithuania until 1840 when it got replaced by the Russian laws. However, under the rule of the Russian Empire, there were three separate civil law systems in force in Lithuania: in Suvalkija the Napoleonic Code was still applied, whereas the