Former President Bill Clinton delivered emotional eulogy at the funeral of John Dingell, the longest-serving congressman in U.S. history. Watch his remarks.

The longest-serving member of Congress died of complications from prostate cancer on Feb. 7.

Highlights of this day in history: President Abraham Lincoln and naturalist Charles Darwin born; The U.S. Senate acquits President Bill Clinton in his impeachment trial; Founding of the NAACP; Cartoonist Charles Schulz dies. (Feb. 12)