// todo need optimize like in event.jsp. Add indexing or not indexing this page. An Act for the Gradual Abolition of Slavery (Pensylvania) (1 mar 1780 año – 1 dic 1847 año) (Cinta de tiempo)
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An Act for the Gradual Abolition of Slavery (Pensylvania) (1 mar 1780 año – 1 dic 1847 año)

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Black History in America (WIP)

ByPaul D. Zinn, Jr.
11 abr 2018

fecha:

1 mar 1780 año
1 dic 1847 año
~ 67 years
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