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Dred Scott sued executor of his former master under state-citizenship diversity jurisdiction of federal courts -
John Brown gathered armed abolitionists to Harper's Ferry, Virginia -
Republican party won the election (Abraham Lincoln elected president) -
The Civil War began after Confederate attacked Fort Sumter -
President Lincoln announced proclamation to free all slaves within rebellious states -
Reelection of president Abraham Lincoln -
End of Civil War -
President Lincoln was shot during a show -
Ratified to abolish slavery in United States -
Ulysses S. Grant was voted president -
Ratified to allow African American men to vote -
Equality for all men before the law and prohibited racial discrimination in public places -
Supreme court upheld state-imposed Jim Crow laws