White supremacy and the pseudo-science of race
1671: Race scientists peddle theories of White superiority
1755: Cash for scalps = license to kill Indians
1790: U.S. Congress: "You must be White to be a citizen"
1844: Historian derides notions of White superiority
1850: Race scientist strives to prove Black inferiority
1851: Singer's undeniable talent defies racist beliefs
1853: Racist screeds promote "White Supremacy"
1856: In book, Emerson espouses White Supremacy