After 1917 the most famous filibusters were undertaken by Southern Democrats to block civil rights legislation. The record for the longest filibuster is held by Senator [[Strom Thurmond]], who filibustered against the Civil Rights Act of 1957 for 24 hours, 18 minutes.<ref>http://www.senate.gov/artandhistory/history/common/briefing/Filibuster_Cloture.htm</ref> | After 1917 the most famous filibusters were undertaken by Southern Democrats to block civil rights legislation. The record for the longest filibuster is held by Senator [[Strom Thurmond]], who filibustered against the Civil Rights Act of 1957 for 24 hours, 18 minutes.<ref>http://www.senate.gov/artandhistory/history/common/briefing/Filibuster_Cloture.htm</ref> |