1789    Chief Justice John Jay is sworn in as the first Chief Justice of the United States.

1801    John Marshall is appointed the Chief Justice of the United States.

1801    John Marshall is sworn in as Chief Justice of the United States.

1803    Chief Justice John Marshall declares that any act of U.S. Congress that conflicts with the Constitution is void.

1921    U.S. President Warren G. Harding appoints former President William Howard Taft Chief Justice of the United States.

1921    Former U.S. President William Howard Taft is sworn in as 10th Chief Justice of the U.S. Supreme Court, becoming the only person to ever be both President and Chief Justice.

2005    United States Senate confirms John Roberts as Chief Justice of the United States.