ALBANY -- A speech made by Martin Luther King, Jr. was discovered at the New York State Museum and is available to the public for the first time.
King gave this speech on the 100th anniversary of the Emancipation Proclamation in 1962 in Manhattan.
The recording was found by museum staff working on audio and video recordings from the museum's collection.
Officials say this is the only known recording of the speech.
The museum posted an online exhibit making the audio recording, manuscript of the speech and photos available.