Forget the Platty Jubbly, or whatever the young people are calling it, the big date is in about 9 days when she officially moves past King Bhumibol of Thailand into second place on the all time list of longest-reigning monarchs. After that it is the end of May 2024 to go past Louis XIV as the no. 1 of all time, and that is unlikely ever to be beaten. Unfortunately it seems a bit unlikely she'll reach that milestone.