Lyndon Baines Johnson (; August 27, 1908 – January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969, and previously as 37th vice president from 1961 to 1963. He assumed the presidency following the assassination of President John F. Kennedy. A Democrat from Texas, Johnson was also a United States representative and later majority leader in the United States Senate. Johnson is one of only four people to have served, at various times, in all four federal elected positions.Born in a farmhouse in Stonewall, Texas, Johnson worked as a high school teacher and a congressional aide before winning election to the U.S. House of Representatives in 1937. Johnson won election to the United States Senate from Texas in 1948 after narrowly winning the Democratic Party's nomination. He was appointed to the position of Senate Majority Whip in 1951. He became the Senate leader of the Democrats in 1953. He became known for his domineering personality and the "Johnson treatment", his aggressive coercion of powerful politicians to advance legislation. Johnson ran for the Democratic nomination in the 1960 presidential election. Although unsuccessful, he became the running mate of the nominee Senator John F. Kennedy and they went on to win a close election. On November 22, 1963, Kennedy was assassinated and Johnson succeeded him as president. In the 1964 Presidential election, Johnson won in a landslide, defeating Senator Barry Goldwater of Arizona. With 61.1 percent of the popular vote, Johnson won the largest share of the popular vote of any candidate since 1820.