The presidency of Lyndon B. Johnson began on November 22, 1963, when Lyndon B. Johnson became the 36th president of the United States following the assassination of President John F. Kennedy. His term ended on January 20, 1969. 1963 November 22 – Following the assassination of President John F. Kennedy, Johnson becomes the president of the United States. He is sworn in on Air Force One while the plane is still in Dallas, with former First Lady Jacqueline Kennedy at his side. November 27 – President Johnson addresses a joint session of Congress calling on legislators to fulfill Kennedy's legacy and pass civil rights and tax legislation, delivering the "Let Us Continue" speech. November 29 – The Warren Commission is creating by President Johnson after signing Executive Order 11130. December 17 – Clean Air Act 1964 1965 January 1 – The White House announces that President Johnson has ordered an inquiry by the government into increases in selective steel prices. January 3 – President Johnson attends church services and visits the grave of the late President John F. Kennedy. January 4 – President Johnson delivers the 1965 State of the Union Address to a joint session of Congress, launching the Great Society program and saying additional ideas will be sent to Congress within six weeks. January 20 – Johnson is sworn into his full term as President of the United States by Supreme Court Chief Justice Earl Warren. Hubert Humphrey is sworn in for his full term as Vice President. March 15 – President Johnson delivers a speech before a joint session of Congress, urging them to support the Voting Rights Act. He references the song "We Shall Overcome", commonly used by the American civil rights movement. March 20 – President Johnson federalizes the Alabama National Guard and orders them to protect civil rights marchers in the third Selma to Montgomery march. March 26 – President Johnson delivers televised remarks announcing the arrests of Klansmen responsible for the murder of civil rights activist Viola Liuzzo. April 7 – President Johnson delivers his "Peace Without Conquest" speech, declaring US support in assisting South Vietnam to prevent its military conquest by North Vietnam. April 28 – President Johnson deploys U.S. military forces to the Dominican Republic to protect U.S. civilians during the Dominican Civil War and to stabilize the nation against potential communist rebels. June 14 – The White House displays the