Title:
Start Date:	(month/day/year)
End Date:	(month/day/year)
If your event ends at 2a, don't specify the next day as the ending date. That's just annoying.
Password:
A password is optional; but if you do not specify one anyone will be able to edit this event.
Url:
Optional; if supplied your event will be linked to this url.

Description:
While HTML is permitted in the description it is up to each RSS consumer as to whether the HTML is rendered.