space to go to next slide Edit: I was looking a Scarlet's murder list and saw that they were in order, so Beryl probably tried to take the throne half a year before the brightest night, so that means 7 and a half years ago as of book 15.
I'M SO EXCITED CAN'T WAIT YEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSSSSSSSS!!!!!!!!!!!!!!!!!!!!! Edit-It was confirmed to start a couple of days after Umber and Sora ran away.