Union of South American Nations in Mitad del Mundo, Ecuador, where the cornerstone was laid for the headquarters of the General Secretariat of the Union. In April 2018, six countries suspended membership: Argentina, Brazil, Chile, Colombia, Paraguay and Peru. In August 2018, Colombia announced its withdrawal from the organization. At the Third South American Summit on 8 December 2004, presidents or representatives from 12 South American nations signed the "Cusco Declaration", a two-page statement of intent announcing the foundation of the South American Community. Panama and Mexico attended the signing ceremony as observers in Brazil. The mechanics of the new entity came out of the
League of Nations of its affairs as provided in the present resolution." A Board of Liquidation consisting of nine persons from different countries spent the next 15 months overseeing the transfer of the League's assets and functions to the United Nations or specialised bodies, finally dissolving itself on July 31, 1947. The archive of the League of Nations was transferred to the United Nations Office at Geneva and is now an entry in the UNESCO Memory of the World Register. In the past few decades, by research using the League Archives at Geneva, historians have reviewed the legacy of the League of Nations