18 h 3 m, 16 abr 1862 ano - Slave Trade abolished in Washington, DC
Descrição:
 Congress bans slave trade in D.C. Sept. 20, 1850. On this day in 1850, Congress abolished the slave trade in the District of Columbia as part of a legislative package known as the Compromise of 1850. Since the founding of the District of Columbia in 1800, enslaved people had lived and worked in the nation's capital. 
Adicionado na linha do tempo:
Data:
18 h 3 m, 16 abr 1862 ano
Agora
 ~ 163 years ago