In 1857, Chief Justice Roger Taney declared that Dred Scott—a formerly enslaved Black man seeking freedom—had no right to bring suit in federal court because he was not, and could never be, a United States citizen. That decision in Dred Scott v. Sandford became the law of the land, cementing slavery's legal foundation for generations. Yet nearly a century later, America's highest court began a profound reversal, systematically dismantling the architecture of racial discrimination through a series of landmark rulings that transformed what equal protection actually means.
The journey from Dred Scott to justice was neither swift nor simple. In 1880, the Supreme Court ruled in Strauder v. West Virginia that excluding jurors solely because of their race violated the Equal Protection Clause—a modest but crucial step. By 1886, Yick Wo v. Hopkins established that even race-neutral laws could not be applied in racially discriminatory ways. Yet these early victories were shadowed by Plessy v. Ferguson in 1896, which enshrined the doctrine of "separate but equal," giving legal cover to segregation for more than half a century.
Cracks in Plessy's foundation deepened in the 1940s and 1950s. In 1944, Smith v. Allwright struck down white-only primary elections, while Steele v. Louisville & Nashville Railway Co. imposed fair representation duties on labor unions regardless of race. That same year, Morgan v. Virginia declared that Virginia's segregation on interstate buses was unconstitutional. By 1948, Shelley v. Kraemer forbade courts from enforcing racial covenants on real estate, opening neighborhoods previously sealed by law to Black families.
The final blows came in rapid succession. In 1950, Sweatt v. Painter and McLaurin v. Oklahoma State Regents ruled that segregation in higher education violated the Equal Protection Clause, laying the groundwork for broader change. Just four years later, in 1954, the Supreme Court delivered its watershed moment: Brown v. Board of Education declared that segregated schools were unconstitutional because separation itself was inherently unequal. The Court stated plainly that the "separate but equal" doctrine "has no place in the field of public education."
That same year, in Hernandez v. Texas, the Court expanded equal protection to cover "any racial, national, and ethnic groups of the United States against whom discrimination can be proved." The cascade of decisions in 1954 alone demonstrated a court finally reckoning with what equal protection truly meant.
These rulings did not end racism in America—far from it. Implementation was bitterly contested, and the work of integration remains ongoing. But the court decisions themselves marked a fundamental shift: from viewing segregation as constitutionally permissible to recognizing it as constitutionally prohibited. From denying citizenship to formerly enslaved people to guaranteeing equal protection across racial and ethnic lines. The arc bent, at last, toward justice.