underground railroad (7 янв 1820 г. – 22 сент 1861 г.)
Описание:
harriet Tubman and others helped up to 60,000 slaves escape to the north.https://school.eb.com/levels/middle/assembly/view/183711
Добавлено на ленту времени:
Дата:
7 янв 1820 г.
22 сент 1861 г.
~ 41 years
