9 h 35 min, 1 juill. 1968 ans - Non-Proliferation Treaty signed
Description:
Non-nuclear weapon states agree to never acquire nuclear weapon AND nuclear-weapon states make a legal undertaking to disarmAjouté au bande de temps:
Date:
9 h 35 min, 1 juill. 1968 ans
Maintenaint
~ Il y a 57 ans