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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1840 ano - Demographic center of US past Ohio Riv (1840)
Adicionado na linha do tempo:
Unit 6
By
abcd
11 mar 2018
0
0
2108
Data:
1 jan 1840 ano
Agora
~ 185 years ago
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