Profession: Chief Justice of the Supreme Court of the United States
Biography: His court opinions helped lay the basis for United States constitutional law and made the Supreme Court of the United States a coequal branch of government along with the legislative and executive branches. He played a significant role in the development of the American legal system.
- 1783-01-03 US Chief Justice of the Supreme Court John Marshall (27) weds Mary Willis Ambler in Hanover County, Virginia
- 1801-01-20 John Marshall appointed US chief justice
- 1803-02-14 Chief Justice John Marshall declares that any act of U.S. Congress that conflicts with the Constitution is void