Special Education Timeline By linds23 Period: Dec 9, 1952 to May 17, 1954 Brown v. Board of Education https://www.history.com/topics/black-history/brown-v-board-of-education-of-topeka Period: 1971 to 1972 Pennsylvania Association for Retarded Children (PARC) v. Commonwealth of Pennsylvania http://theroadweveshared.com/2016/05 Period: Mar 26, 1985 to Apr 29, 1985 Burlington School Committee v. Department of Education https://www.wrightslaw.com/law/caselaw/ussupct.burlington.htm