In July 1868 the Fourteenth Amendment is added to the US Constitution, reaffirming US citizens' equal protection under the law. The amendment comes in the wake of the Civil War and continued opposition to the citizenship status of African Americans by former Confederate states. The amendment is cited in watershed civil rights cases throughout US history, including Brown v. Board of Education and the Supreme Court marriage equality decision in 2015. More information: https://www.britannica.com/topic/Fourteenth-Amendment. Image via Time Magazine.