The palace and its most famous chamber, the Hall of Mirrors, were the location of the signing of the fourth Peace of Pressburg by Johann I Josef, Prince of Liechtenstein, Ignácz Gyulay and Charles Maurice de Talleyrand in 1805 after the Battle of Austerlitz, which effectively ended the War of the Third Coalition.
Here Ferdinand V of Hungary promoted the first responsible Hungarian government (első felelős magyar kormány) and signed the April laws, where Lajos Batthyány, Lajos Kossuth, Bertalan Szemere, Ferenc Deák, Pál Esterházy, István Széchenyi, Lázár Mészáros, József Eötvös and Gábor Klauzál Hungarian ministers were also present.
During reconstruction in 1903, a series of six previously unknown tapestries were found behind a wall, depicting the legend of Hero and Leander and their tragic love.
[1] According to old Hungarian newspapers, literary lectures and author evenings were arranged in its Hall of Mirrors between the two world wars.
Zseni Várnai, Aladár Schöpflin, Zsigmond Móricz, Thomas Mann also took part in these events.