The POTUS Timeline
President #36

Lyndon B. Johnson

Lyndon B. Johnson, a Democrat from Texas, became president after John F. Kennedy's assassination in 1963 and served until 1969. He pursued an ambitious domestic agenda while presiding over a major escalation of the Vietnam War.

Legacy Summary

Johnson’s domestic agenda, known as the Great Society, expanded civil rights, health care, education, and anti-poverty programs, producing landmark laws such as the Civil Rights Act, the Voting Rights Act, Medicare, and Medicaid.

His decision to escalate U.S. military involvement in Vietnam eroded public support and overshadowed many of his achievements, leaving a complex legacy that reshaped civil rights, social policy, and debates over U.S. foreign intervention.

Notable Actions

Signed the Civil Rights Act (1964) and Voting Rights Act (1965); Created Medicare and Medicaid (1965); Launched the Great Society and War on Poverty initiatives; Escalated U.S. military involvement in the Vietnam War; Enacted the Immigration and Nationality Act (1965)

Timeline Entries

Key highlights and dated events associated with this presidency.

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Outer Space Treaty enters into force
October 10, 1967 Lyndon B. Johnson
Foreign Policy

Outer Space Treaty enters into force

The Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space entered into force on October 10, 1967, with the United States among the original parties.