SPED Law Timeline By lvmg215 1954 Brown V. Board of Education 1966 Amended Elementary and Secondary Education Act of 1965 1971 Pennsylvania Association for Retarded Children V. Commonwealth of Pennsylvania(PARC) 1971 Mills V. Board of Education 1972 Congressional Investigations into inappropriate education of handicapped children. 1975 Public Law 94-142: The Education for all Handicapped Children Act of 1975 1975 Individualized Education Plan (IEP) introduced 1990 Public Law 94-142 changed to Individuals with Disabilities Act (IDEA) 2004 Individuals with Disabilities Education Improvement Act 2004 The combining of IDEA and NCLB