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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 dez 1889 ano - Se tabula el censo estadounidense empleando las máquinas de tarjetas perforadas de Herman Hollerith
Adicionado na linha do tempo:
innovadores
By
Katerin gaitan
3 out 2018
0
0
373
Data:
21 dez 1889 ano
Agora
~ 135 years ago
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