cold war (1 янв 1947 г. – 1 янв 1991 г.)
Описание:
 The "Cold War" years were dominated by work with microorganisms in preparation for possible biological warfare and the production of more antibiotics. 
Добавлено на ленту времени:
Дата:
1 янв 1947 г.
1 янв 1991 г.
 ~ 44 years