Today in history – July 30

1619 – In Jamestown, Virginia, the first representative assembly in the Americas, the House of Burgesses, convenes for the first time.

1729 – Founding of Baltimore, Maryland.

1863 – Representatives of the United States and tribal leaders including Chief Pocatello (of the Shoshone) sign the Treaty of Box Elder.

1956 – A joint resolution of Congress is signed by President Dwight D. Eisenhower, authorizing In God We Trust as the national motto.

1965 – President Lyndon B. Johnson signs the Social Security Act of 1965 into law, establishing Medicare and Medicaid.

1969 – President Richard Nixon makes an unscheduled visit to South Vietnam and meets with President Nguyen Van Thieu and U.S. military commanders.

1974 – President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court.

1974 – The House Judiciary Committee, by a vote of 21-17, approved a third article of impeachment against President Richard Nixon, charging him with ignoring congressional subpoenas. Nixon resigned just over a week later before he could be impeached.

1975 – Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in a Detroit suburb. He is never seen or heard from again.