As I am presently in the process of adding birthdays to all my dossiers because it’s time to upgrade continuity around here, it should be noted that Charles has no idea when his birthday is, having been taken from his home and set into labour well before the concept could really settle on him. 

The day that is acknowledged as his birthday was chosen by Rackham in a fit of pique, though how ‘celebratory’ it is tends to be about as predictable as Vane’s moods. Small traditions have sprouted through trial and error on Rackham’s end though, and they’ve all been noted – even if not all have been particularly appreciated.