I mean a study of race relations in the Gilded Age includes at least some detail about "Jubilee Day," which was a common name for the day in various parts of the South, as others have pointed out chiefly in Texas.
My daughters take the grandkids to Juneteenth celebrations here and have for a couple of years. They have a good time. I'm not a Leftist, but I don't see what the problem is. ??????
I was in graduate school in the 90s in history, and we talked a lot about it in our classes.
I was pretty shocked when the national dialogue brought it up and people had never heard of it, tbh.