| Holding | Supreme Court Case | Year |
| Laws banning consensual sodomy in private are unconstitutional under the Due Process Clause and under rational-basis scrutiny. | |
| Segregated schools in the District of Columbia violate the Due Process Clause of the Fifth Amendment. | |
| Laws that are constitutional under the Establishment Clause must have a secular purpose, must not advance or inhibit religion, and must not result in 'excessive entanglement.' | |
| Speech that poses a 'clear and present danger' can be subject to regulation by Congress. | |
| Flag burning is symbolic speech protected by the First Amendment. | |
| Police must inform those in custody of their basic constitutional rights. | |
| The federal government can regulate racial discrimination in places of public accommodation under the Interstate Commerce Clause. | |
| Law that criminalized consensual anal and oral sex is constitutional. | |
| Government-directed prayer in public schools, even if voluntary and non-denominational, violates the Establishment Clause. | |
| Speech that has a tendency to incite 'imminent lawless action' can be subject to regulation by the State. | |
| Congress does not have the power to regulate guns in school zones under the Interstate Commerce Clause. | |
| A narrowly-tailored affirmative action program for student admissions is permissible under the Equal Protection Clause. | |
| Speech that falls in the category of 'fighting words' can be regulated by the State. | |
| Racial quotas in college admissions are not permissible, although a state interest in diversity can be compelling. | |
| American citizens of Japanese descent can be placed into internment and deprived of some constitutional rights, even under the Equal Protection Clause. | |