89th Congress (1965 - 1967)

House of Representatives

House Majority: Democrat

House Majority Seats: 295 out of 435

House Speaker: Rep. John W. McCormack (D-MA)

Senate

Senate Majority: Democrat

Senate Majority Seats: 68 out of 100

Senate Majority Leader: Sen. Mike Mansfield (D-MT)

Executive

President: Lyndon B. Johnson (D-TX)

Vice President: Hubert Humphrey (D-MN)

Member Spotlight

Featured: Rep. Wilbur Mills (D-AR), the powerful chairman of the House Ways and Means Committee, was one of the most influential lawmakers of his era. Serving in Congress from 1939 to 1977, Mills earned a reputation as a master of tax and fiscal policy, guiding landmark legislation such as Medicare, Social Security expansion, and major tax reforms. His command of complex economic issues and his insistence on fiscal responsibility made him a dominant force in shaping mid-20th century domestic policy. Though his career was later marred by scandal, Mills’ legislative legacy continues to shape the nation’s financial and social welfare systems.

Enactments