Calendar / Gathering of Events signups

I have read the other suggestions, and they are not quite what I had in mind, so I will write mine anyways. 

I have a lot of different discords related to WoW that I am playing for instance, and sometimes it can get very confusing to keep track of the events that I sign up to, without having to go through all the servers. Would it be possible to have like an internal discord-calendar, where an event will put it self in if I sign up for it in any way - with the information then on what event it is, from which discord etc? Would make life so much easier...

Cheerios Caroline