<P> The Paris Peace Conference, 1919 gathered 27 nations at the Palace of Versailles to shape the future after World War I . The Russian SFSR was not invited to attend, having already concluded a peace treaty with the Central Powers in the spring of 1918 . The Central Powers - Austria - Hungary, Germany, Bulgaria and the Ottoman Empire - were not allowed to attend the conference until after the details of all the peace treaties had been elaborated and agreed upon . </P> <Ul> <Li> Belgium </Li> <Li> Brazil </Li> <Li> Canada (signed under' British Empire') </Li> <Li> China </Li> <Li> Cuba </Li> <Li> Czechoslovakia </Li> <Li> France </Li> <Li> Greece </Li> <Li> Guatemala </Li> <Li> Haiti </Li> <Li> The Hejaz (later absorbed into Saudi Arabia) </Li> <Li> Honduras </Li> <Li> Italy </Li> <Li> Japan </Li> <Li> Liberia </Li> <Li> Lithuania </Li> <Li> Montenegro </Li> <Li> Nicaragua </Li> <Li> Panama </Li> <Li> Poland </Li> <Li> Portugal </Li> <Li> Romania </Li> <Li> San Marino </Li> <Li> Siam </Li> <Li> United Kingdom </Li> <Li> United States (see also American Commission to Negotiate Peace) </Li> <Li> Kingdom of Serbs, Croats and Slovenes (later Yugoslavia) </Li> </Ul>

Who was not invited to the treaty of versailles