To enter your own events into this diary, just log in and then use the "Create Event" menu item that now appears on the "Events" menu.
Or, if you're logged in now, there should be a "submit new event" link just to the right of this text, yes, this text you're reading now!
You can now create your own account if you don't already have one.
Of course, for your protection, and ours, events and accounts will be checked before being made available.