A current thread about where to get an Arnold Palmer on the San Francisco board brought back some good memories for me.
While it seems like the Arnold Palmer craze is just a few years old, we used to get them at our swim club in RI back in the 1960s. They weren't called Arnold Palmers back then; you just asked for a "Blend." But it was half-lemonade, half-iced tea.
Kinda interesting that it took so long for such a simple, refreshing concoction to really break out.