1 июл 1968 г. - Nuclear Non-Proliferation Treaty
Описание:
An agreement to stop or limit the spread of nuclear capability to non-nuclear countries. The five recognised nuclear countries were USA, USSR, UK, China and France.Добавлено на ленту времени:
Дата:
1 июл 1968 г.
Сейчас
~ 57 г назад