of evolution.Stone v. Graham, 449 U.S. 39 (1980) - Court finds posting of the Ten Commandments in schools unconstitutional.Edwards v. Aquillard, 482 U.S. 578 (1987) - Court finds state law requiring equal treatment for creationism has a religious purpose and is therefore unconstitutional.Board of Education v. Mergens, 496 U.S. 226 (1990) - The court rules that the Equal Access Act does not violate the First Amendment. Public schools that receive federal funds and maintain a "limited open forum" on school grounds after school hours cannot deny "equal access" to student groups based upon "religious, political, philosophical, or other content."Lee v. Weisman, 112 SCt. 2649 (1992) - Court finds prayer at public school graduation ceremonies violates the establishment clause and is therefore unconstitutional.Lamb's Chapel et al. v. Center Moriches Union Free School District, 508 U.S. 384 (1993) - Court says that school districts cannot deny churches access to school premises after-hours, if the district allowed the use of its building to other groups.Kiryas Joel Village School District v. Grumet, (1994) - Court states that the New York State Legislature cannot create a separate school district for a religious community.Santa Fe Independent School District v. Doe, (2000) - Court rules that student-led prayers at public school football games violate the Establishment Clause of the First Amendment....