During Prince Harry and Meghan Markle's touching marriage ceremony, cable hosts and invited "experts" still called his parents' nuptials "the wedding of the (20th) century."  Among the embarrassing lack of research (identifying celebrity guests but not most of Harry's extended family or cellist Sheku Kanneh-Maso and the music he played), the worst was insisting that the July 1981 wedding was romantic.  Both then and now, the event watched by millions reveals a very nervous teenager who on that day became so famous that she would be known by her first name.  A defining chapter of Diana's life is the subject