Germ Theory (1 янв 1957 г. – 1 янв 2020 г.)
Описание:
Introduced in the 1860's, This revolutionary discovery wasn't widely practiced until Joseph Lister and Louie Pastuer's practices where supported through more evidence.Добавлено на ленту времени:
Дата:
1 янв 1957 г.
1 янв 2020 г.
~ 63 years