The fourth Peace of Pressburg (also known as the Treaty of Pressburg; ; ) was signed on 26 December 1805 between Napoleon and Holy Roman Emperor Francis II as a consequence of the French victories over the Austrians at Ulm (25 September – 20 October) and Austerlitz (2 December). A truce was agreed on December 4, and negotiations for the treaty began. The treaty was signed in Pressburg (now Bratislava), at that time in Hungary, by Johann I Josef, Prince of Liechtenstein, and the Hungarian Count Ignaz Gyulai for Austria and Charles Maurice de Talleyrand for France.