In his later years the grandfather became a Christadelphian; Johnson's father also joined the Christadelphian Church toward the end of his life.
In school, Johnson was an awkward, talkative youth and was elected president of his 11th-grade class.
At age 15, Johnson was the youngest member of his class.
With the passage of the Immigration and Nationality Act of 1965, the country's immigration system was reformed, encouraging greater immigration from regions other than Europe.
Johnson's presidency marked the peak of modern liberalism after the New Deal era.
The number of American military personnel in Vietnam increased dramatically, from 16,000 advisors in non-combat roles in 1963 to 525,000 in 1967, many in combat roles.
American casualties soared and the peace process bogged down.