Attach tasks to calendar events

Often, specific events are tied to certain things that needs to be done.
Linking tasks or Goals/Projects to an existing calendar event (Google Calendar) could be a solution for that.

This could be used to keep time and dates in sync if the event changes (event is moved to another date, and task start dates, deadlines and reminders follow) or to show links in the calendar for having a quick overview and navigation to relevant tasks (opening/clicking on the event shows a view with all attached tasks or having smart filters like “show all tasks that are attached to events, group by event”)

It could be something like a section in the task popup or on the Goal’s page but dragging and dropping of tasks on an calendar event in the calendar could also be a way of creating such links.

Something like linking to events should be technically possible (at least for Google Calendar). Evernote does it with notes already and there are different Obsidian plugins that do the same by keeping track of event changes trough an existing event ID.