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 elected president of the first session of the its assembly. Spaak helped develop a network of intergovernmental contacts in many fields, such as human rights, local government, education, culture, sports, and youth policy. However, the organization only played an advisory role, and was not nearly strong enough to achieve Spaak's long-term goals of European unification. In 2018 an archive of all speeches made to the Parliamentary Assembly of the Council of Europe by heads of state or government since the Council of Europe's creation in 1949 appeared online, the fruit of a two-year project entitled "Voices of Europe". At the