Council of Europe conventions/treaties are also open for signature to non-member states, thus facilitating equal co-operation with countries outside Europe. The Council of Europe's most famous achievement is the European Convention on Human Rights, which was adopted in 1950 following a report by the Council of Europe's Parliamentary Assembly, and followed on from the United Nations 'Universal Declaration of Human Rights' (UDHR). The Convention created the European Court of Human Rights in Strasbourg. The Court supervises compliance with the European Convention on Human Rights and thus functions as the highest European court. It is to this court that Europeans can bring cases if
Council of Europe Archives of Europe took over these activities. Part of the archive collections can be searched online using the Council of Europe's Webcat database. In 2001 the Archives embarked on an ambitious programme of mass deacidification and digitisation. The Archive is best known for its files containing all the proposed designs for the Flag of Europe. The Archives are also the repository for the instruments of ratification of the Council of Europe's international treaties, of which the best known is the European Convention on Human Rights Council of Europe Archives The Council of Europe Archives are located at the headquarters of the