6 Most Important Legal Decisions in the USA This Year

1803: Marbury v. Madison established the principle of judicial review, giving the Supreme Court the power to strike down laws that it finds to be unconstitutional

1857: Dred Scott v. Sandford ruled that African Americans are not citizens and have no rights under the Constitution.

1896: Plessy v. Ferguson upheld the constitutionality of racial segregation, establishing the "separate but equal" doctrine

1954: Brown v. Board of Education overturned Plessy v. Ferguson and declared that racial segregation in public schools is unconstitutional

1973: Roe v. Wade legalized abortion nationwide.

2015: Obergefell v. Hodges legalized same-sex marriage nationwide.