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.
... British Aerospace EAP prototype which had first flown in 1986, and culminating in the first flight of the Typhoon prototype in 1994 (then just known as the Eurofighter EF ...