underground railroad (7 jan 1820 ano – 22 set 1861 ano)
Descrição:
harriet Tubman and others helped up to 60,000 slaves escape to the north.
https://school.eb.com/levels/middle/assembly/view/183711
Adicionado na linha do tempo:
Data:
7 jan 1820 ano
22 set 1861 ano
~ 41 years
Imagens: