'The last time the Democratic National Convention was held in Philadelphia, it was 1948 and young Minneapolis Mayor Hubert Humphrey pleaded for a civil rights plank in the Democratic platform.
'He asked the party to "walk forthrightly into the bright sunshine of human rights."
'You can hear his words in an Minnesota Public Radio documentary, "The Politics of Joy: A Radio Remembrance of Hubert Humphrey."'
https://www.mprnews.org/story/2016/07/26/mpr-documentary-the-politics-of-joy-a-radio-remembrance-of-hubert-humphrey