There is a problem in the syntax you used:
Code:
on schedule every 1 day starts [B]at timestamp[/B] '2007-03-25 23:59:00'
Should be only:
Code:
on schedule every 1 day starts '2007-03-25 23:59:00'
If you're using phpMyAdmin, just go to:
http://YOURDOMAIN/phpmyadmin/db_events.php?db=YOUR_DB
And you can quickly create as many events as you want without ever knowing the proper syntax for events.
But if you insist in DIY,...