Some events appear and dissappear before the time collapse, do you know why?

Nermine

Sometimes when I open the game, i find some events arw here, when i come back to continue playing with those events and before the time collapse, i don't find any of them 

Lady_Choo

Hi Nermine, thank you for using King care.

I have an excellent blog post which explains why events come and go, I hope you find it useful