I'm having a little bit of confusion over iCal. I have a few calendars that I don't need to use anymore as they held appointments at my former job. Therefore, I really don't need/want to see them in my sidebar every day. I'd like to remove them from the sidebar, but when I do that, I get a warning that I'm going to be deleting all the events. I want to keep the old events as a reference for the future, so is there any way I can get rid of (or at least hide) the calendar name in the sidebar without deleting the events?