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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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15 mayo 1822 año - 1822 Fechner earns his MD from Leipzig
Añadido al timeline:
Important dates in psychological history
By
Natasha Gualy
7 mar 2018
0
0
852
fecha:
15 mayo 1822 año
Ahora mismo
~ 203 years ago
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