The 90th Congress of the United States convened from January 3, 1967, to January 3, 1969. It was notable for its significant legislative achievements, including the passage of key civil rights and social welfare laws. This Congress was composed of the House of Representatives and the Senate, with a Democratic majority in both chambers. During the 90th Congress, important legislation such as the Voting Rights Act and the Medicare program was enacted. The Congress also addressed issues related to the Vietnam War and civil rights, reflecting the social changes occurring in the United States during the 1960s.