The 339th Congress of the United States convened from January 3, 1965, to January 3, 1967. It was a significant period marked by the implementation of President Lyndon B. Johnson's Great Society programs, which aimed to eliminate poverty and racial injustice. The Congress was composed of the House of Representatives and the Senate, with major legislation passed during this time. During the 339th Congress, key laws were enacted, including the Voting Rights Act of 1965 and the Medicare Act. These laws aimed to enhance civil rights and provide healthcare for the elderly. The Congress played a crucial role in shaping social policies that impacted millions of Americans.