Strom Thurmond filibuster of the Civil Rights Act of 1957

On August 28, 1957, Strom Thurmond, a Democratic United States senator from South Carolina, began a filibuster intended to prevent the passage of the Civil Rights Act of 1957. The filibuster—an extended speech designed to stall legislation—began at 8:54 p.m.

Source: Wikipedia — Strom Thurmond filibuster of the Civil Rights Act of 1957 (CC BY-SA 4.0)