Title: Today in history
Description: Provides access to information about the law enacted by the United States Congress to abolish the slave trade in the District of Columbia on September 20, 1850. Also presents a history of the Otis Elevator Company which first opened on September 20, 1853 as a small factory on the banks of the Hudson River in Yonkers, N.Y.
Subjects: Slavery, History, Antislavery movements, Elevators, Otis Elevator Company
Places: Washington (D.C.), United States
Time periods: 19th century