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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 dic 1927 año - Penicillin is discovered by Alexander Flemming
Añadido al timeline:
Timeline: Evolutionary stages of mankind
By
Santiago Trigo Ergueta
29 feb 2020
0
0
285
fecha:
1 dic 1927 año
Ahora mismo
~ 97 years ago
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