Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page John Burton Thompson:

"

In 1840, Thompson was elected as a Whig to the United States House of Representatives to fill the vacancy in Kentucky's 5th District caused by the death of Simeon H. Anderson. He was subsequently reelected in 1842 and served until March 3, 1843. After a time out of Congress, he was again elected to represent the same district, serving this time from March 4, 1847 to March 3, 1851. During this time he was chairman of the U.S. House Committee on the Militia.