July 30, 1965. LBJ signs the Medicare and Medicaid Bill (official name: Social Security Amendments of 1965) at the Truman Library in Independence, Missouri. President Harry S. Truman is seated next to him. Others looking on include Lady Bird Johnson, Vice President Hubert Humphrey, and Bess Truman. After the signing and the presentation of the first Medicare cards, LBJ gives one of the bill-signing pens to Truman.