History of the Netherlands The post-war years saw rapid economic recovery (helped by the American Marshall Plan), followed by the introduction of a welfare state during an era of peace and prosperity. The Netherlands formed a new economic alliance with Belgium and Luxembourg, the Benelux, and all three became founding members of the European Union and NATO. In recent decades, the Dutch economy has been closely linked to that of Germany, and is highly prosperous. The four countries adopted the Euro on 1 January 2002, along with eight other EU member states. The prehistory of the area that is now the Netherlands was largely
Southern Netherlands Orange at the 1815 Congress of Vienna. The southeastern third of Luxembourg Province was made into the autonomous Grand Duchy of Luxembourg, because it was claimed by both the Netherlands and Prussia. In 1830 the predominantly Roman Catholic southern half became independent as the Kingdom of Belgium (the northern half being predominantly Calvinist). In 1839 the final border between the kingdom of the Netherlands and Belgium was determined and the eastern part of Limburg returned to the Netherlands as the province of Limburg. The autonomy of Luxembourg was recognised in 1839, but an instrument to that effect was not signed