| | Marbury v. Madison, 1803- Established the Supreme Court’s right of judicial review. |
| | McCulloch v. Maryland, 1819- Established that the Constitution and federal laws overrule state laws when the two conflict. |
| | Gibbons v. Ogden, 1824- Reinforced the supremacy of national law over state law when the two conflict. |
| | Worcester v. Georgia, 1832- Declared that the federal government, not the state, had exclusive jurisdiction |
| | Scott v. Sanford (Dred Scott Decision), 1857- Ruled that African American were not citizens. |
| | Civil Rights Cases, 1883- Ruled that neither Congress nor the Court has the powers to deal with private acts of discrimination. |
| | In Re Debs, 1895- Reinforced that the right of Congress to regulate interstate commerce |
| | Plessy v. Ferguson, 1896- Separate but equal act, overturned in 1954 by Brown v. Board of Education. |
| | Locher v. New York, 1905- Established that the Supreme Court has the power to oversee state regulations. |
| | Muller v. Oregon, 1908- Kept an Oregon law that limited women to a 10-hour work day to protect women’s health. |
| | Schenck v. United States, 1919- Established limits on free speech holding that this right is not absolute. |
| | Korematsu v. United States,1944- Ruled that the forcible relocation of Japanese Americans during World War II was legal. |
| | Brown v. Board of Education, 1954- Ruled that segregation in education creates inequality. |
| | Mapp v. Ohio, 1961- Upheld the principle that population is the only acceptable basis for the apportionment of seats in a legislative body. |
| | Engel v. Vitale, 1962- Reinforced the separation of church and state. |
| | Gideon v. Wainwright, 1963- Ruled that to deny legal representation to defendants who can not afford to pay for it is a violation of those individual’s constitutional rights. |
| | Miranda v. Arizona, 1966 - Established the requirement to inform people accused of crimes that they have the right to remain silent and receive legal representation before they say anything that can be held against them in court. |
| | Tinker v. Des Moines Independent Community School District, 1969- Ruled that certain kinds of nonverbal communication can be protected under the First Amendment. |
| | New York Times Co. v. United States, 1971- Gave the media more power against governmental secrecy. |
| | Roe v. Wade, 1973-Ruled that state laws that criminalize abortion are unconstitutional. |
| | United States v. Nixon, 1974- Limited the President’s right to confidentiality. |
| | Name of Case: Planned Parenthood of Southeastern Pennsylvania et al. V. Casey, 1992 |