http://www.osce.org/docs/english/1990-1999/summits/helfa75e.htm
This was signed by 35 nations Organization for Security and Co-operation in Europe in Helsinki in 1975.
... time without a legitimate basis of authority. The first to have the title of "Tyrant" was Pisistratus in 560 BC. In modern times Tyrant has come to mean a dictator ...