Wilmot Proviso (1846) (7 ago 2008 ano – 16 out 2017 ano)
Descrição:
was an unsuccessful 1846 proposal in the United States Congress to ban slavery in territory acquired from Mexico in the Mexican–American War.
Adicionado na linha do tempo:
Data:
7 ago 2008 ano
16 out 2017 ano
~ 9 years and 2 months