Robertson was the first woman to defeat an incumbent congressman.

She was referring to the fact that there weren't any incumbent congressmen living in the district.

Mississippi voters have not defeated an incumbent Congressman since 1986.

It was also the first time since 1950 that an incumbent congressman lost a primary in Tennessee's 1st congressional district.

To run as an incumbent Republican congressman really is an albatross.

In 1962, he unsuccessfully ran in the primary against the incumbent Congressman.

Later that year, Democratic candidates upset both of the state's incumbent Republican congressmen.

"It can serve as a great, well-produced reminder to voters that their incumbent congressman is taking care of business."

She was the only woman in the United States that year to beat an incumbent Congressman.

Specifically, he said he had raised only a third of the $300,000 he wanted to have on hand to challenge the incumbent Congressman.