Belgium felt he had collaborated with Germany during the war. The Belgian Congo gained independence in 1960 during the Congo Crisis; Ruanda-Urundi followed with its independence two years later. Belgium joined NATO as a founding member and formed the Benelux group of nations with the Netherlands and Luxembourg. Belgium became one of the six founding members of the European Coal and Steel Community in 1951 and of the European Atomic Energy Community and European Economic Community, established in 1957. The latter has now become the European Union, for which Belgium hosts major administrations and institutions, including the European Commission, the Council
Austrian Netherlands Austrian Netherlands The Austrian Netherlands (; ; ; ) was the larger part of the Southern Netherlands between 1714 and 1797. The period began with the acquisition of the former Spanish Netherlands under the Treaty of Rastatt in 1714 and lasted until its annexation during the aftermath of the Battle of Sprimont in 1794 and the Peace of Basel in 1795. Austria, however, did not relinquish its claim over the province until 1797 in the Treaty of Campo Formio. The Austrian Netherlands was a noncontiguous territory that consisted of what is now western Belgium as well as greater Luxembourg, bisected