U. S. troops used by President Jackson to calm riots alnong the Chesapeake and Ohio Canal. Department of Indian Affairs created. Riots in New York are protest against abolitionists by unskilled workers who fear replacement by blacks.
Riots sprout in Philadelphia.
John Jacob Astor sells off his fur interests and as the richest man in America, will now invest in New York Real Estate. Cornelius Vanderbuilt building fortune in steamboat trade. Jacob Perkins experiments with gas refrigeration. Spanish Inquisition is abolished. Braille develops reading system for the blind.