Here’s a look at some interesting events that took place on this day in history:

1788 – The US Constitution is ratified and goes into effect (More info)

1948 – Columbia Records introduces the long-playing record album in a public demonstration at the Waldorf-Astoria Hotel in New York City (More info)

1964 – Three civil rights workers are murdered by members of the Ku Klux Klan; the case later inspires the 1988 movie ‘Mississippi Burning’ (More info)

1973 – In Miller v. California, the Supreme Court establishes the Miller Test for obscenity (More info)

1982 – John Hinckley is found not guilty by reason of insanity for the attempted assassination of President Ronald Reagan (More info)