High Quality Content by WIKIPEDIA articles! The National Party of Europe (NPE) was an initiative undertaken by a number of political parties in Europe during the 1960s to help increase cross-border co-operation and work towards European unity.The idea of an NPE began when Oswald Mosley launched his Europe a Nation campaign after World War II at a time when contemporaries such as Jean-François Thiriart were also becoming interested in Europeanism. Attempts soon followed to co-ordinate this growth in pan-European nationalism, although the European Social Movement and the New European Order were loose networks and a more concrete alliance was called for.