How long did it take after the supreme court's decisions before integration started?

The Supreme Court held that Blacks, enslaved or free, could not be citizens of the United States. Chief Justice Taney, arguing from the original intentions of the framers of the 1787 Constitution, stated that at the time of the adoption of the Constitution, Black people were considered a subordinate and inferior class of beings, "with no rights which the White man was bound to respect."