The law challenged by the [[ACLU]] in the Scopes Trial remained in effect for over 50 more years. In 1967, Tennessee repealed the Butler Act, and in 1968, the Supreme Court ruled in ''Epperson v. Arkansas'', 393 U.S. 97, that such bans on teaching are unconstitutional if they are primarily religious in intent. | The law challenged by the [[ACLU]] in the Scopes Trial remained in effect for over 50 more years. In 1967, Tennessee repealed the Butler Act, and in 1968, the Supreme Court ruled in ''Epperson v. Arkansas'', 393 U.S. 97, that such bans on teaching are unconstitutional if they are primarily religious in intent. |