Existing comment:
1820 -- Cotton surpassed tobacco as the most profitable trade commodity.
Dec 2, 1823 -- The Monroe Doctrine declared the American continent off limits to further European colonization.
July 4, 1828 - Construction began on the Chesapeake & Ohio Canal and the Baltimore & Ohio Railroad.
1830 -- The Baltimore & Ohio Railroad established the first passenger rail service [in the area].
Jan 1, 1831 -- The Liberator began publication.
1831 -- The Nat Turner Slave Revolve instilled fear in many who supported slavery.
1832 -- The British abolished slavery.
1837 -- Prompted by Northern fear of another slave state, the United States denied statehood to Texas.
1844 -- The First Telegraph line in the United States was established between Baltimore and Washington.
Dec 29, 1845 -- Texas, a slave-holding territory, became the 28th state.
1846-1848 -- The war with Mexico added Northern Mexico as United States territory. |