29 abr 1997 año - Chemical Weapons Convention treaty goes into effect
Descripción:
The Chemical Weapons Convention treaty that was signed by a majority of the world in 1993 goes into effect, and outlawed countries from stockpiling more than 1 metric ton of nerve agents and substances which are solely precursors to the nerve agents.Añadido al timeline:
fecha:
29 abr 1997 año
Ahora mismo
~ 28 years ago