Historical Timeline By Bigred3! Period: 1989 BCE to 1989 BCE Daniel R. R. v. State Board of Education (1989) Daniel R. R. v. State Board of Education (1989) Period: 1971 BCE to 1971 BCE Pennsylvania Associated for Retared children(PAC) v. Common wealth of Pennsylvania -1971 Pennsylvania Associated for Retared children(PAC) v. Common wealth of Pennsylvania -1971 1954 BCE • • Brown v. Topeka Board of Education in 1954 • .Brown v.Topeka Board of Education in 1954
