From his time in Congress, what was Lyndon Johnson best known for?

Lyndon Baines Johnson ( / ˈlɪndən ˈbeɪnz ˈdʒɒnsən /; August 27, 1908 - January 22, 1973), often referred to as LBJ, was the 36thPresident of the United States from 1963 to 1969, assuming the office after serving as the 37th Vice President of the United Statesunder President John F. Kennedy, from 1961 to 1963. Johnson was a Democrat from Texas, who served as a United States Representative from 1937 to 1949 and as a United States Senator from 1949 to 1961. He spent six years as Senate Majority Leader, two as Senate Minority Leader, and two as Senate Majority Whip.

Johnson ran for the Democratic nomination in the 1960 presidential election. Although unsuccessful, he was chosen by Senator John F. Kennedy of Massachusetts to be his running mate. They went on win a close election over Richard Nixon and Johnson was sworn in as Vice President on January 20, 1961. Two years and ten months later, on November 22, 1963, Johnson succeeded Kennedy as President following the latter's assassination. He ran for a full term in the 1964 election, winning by a landslide over Republican opponent Arizona Senator Barry Goldwater. He is one of four people[a] who have served as President and Vice President, as well as in both houses of Congress. [1]