An ebullient Sen. Robert Byrd (D-W.Va.) took to the floor Wednesday afternoon to celebrate his 20,774th day of service in Congress, the longest of any lawmaker in history. “Today, Madam President, is more than a commemoration of the length of service of one U.S. Senator,— Byrd said. “Today also celebrates the great people of the great and mighty state of West Virginia, who have honored me by repeatedly placing their faith in me.The Senate unanimously adopted a resolution to honor Byrd, who will turn 92 on Friday. Byrd surpassed the longevity record previously held Sen. Carl Hayden (D-Ariz.), who served in the House and Senate from 1912 to 1969.Byrd has served nearly 57 years as a Member of either the House or Senate, and he already held the title as the Senate’s longest-serving Member. He is also the President Pro Tem, third in succession for the presidency.