1 mar 1969 ano - 1969
Descrição:
March 14 - President Richard M. Nixon announces the decision to deploy a missile defense system called "Safeguard" to protect U.S. ICBM fields from attack.
November to December - Preliminary Strategic Arms Limitation Treaty (SALT) talks take place in Helsinki, Finland.
Adicionado na linha do tempo:
atomic and nuclear physics
Data:
