The Fugitive Slave Law or Fugitive Slave Act was passed by the United States Congress on September 18, 1850, as part of the Compromise of 1850 between Southern slave-holding interests and Northern Free-Soilers.
Bartolomeu Dias was the first European to round the southern tip of Africa. He named it Cape of Storms, but King John later renamed it Cape of Good Hope.
Idk if this is the event its asking for but: The “Red Summer” of 1919 marked the culmination of steadily growing tensions surrounding the great migration of African Americans from the rural South to the cities of the North that took place during World War I.