Untrue, for example executive order 9981 desegregation the military, the Civil rights act made discrimination based on "race, color, religion, sex, or national origin" illegal, amendments 13-15 all stopped racial discrimination in some way, etc.
Me When I See This Type of Discrimination; No Discrimination; Discriminating Against Discriminatory People; Sexism; Ageism; Furry Discrimination; Discriminating Because of Religion; Racism; Fat Shaming; Ableism; Every Type of Discrimination