Yes I’m following you, but our plugin doesn’t currently allow you to create separate calendars within a single blog. You can however categorize events and only show events from a specific category. With the help of some third party plugins you can also do things like add colouring effects.
However, there aren’t really any tools to limit who can see a particular event – nor is The Events Calendar/Events Calendar PRO geared up to render the calendar inside a dashboard widget.
What you want is almost certainly possible – but again it’s sufficiently unusual that we can’t offer support for it here.