Special Education Timeline By Carrie Davis 1969 First Amendment Free Speech of Students – Tinker vs. Des Moines, 1969 https://www.aclu.org/other/tinker-v-des-moines-landmark-supreme-court-ruling-behalf-student-expression 1970 Diana v. California State Board of Education (1970) https://www.sutori.com/item/1970-the-diana-vs-california-state-board-case-focused-on-the-testi 1971 Pennsylvania Association for Retarded Children (1971) http://www.studentslawyer.com/law/learn-about-the-first-right-to-education-case-that-helped-lead-to-the-idea