[Plugin: ICS Calendar] How to create an event in the lastest WP

You don’t create events in the dashboard. This plugin is designed to pull calendar info from other places where you’ve already entered it, like a Google Calendar. From the plugin description:

“Fetch and display events from your Google, Outlook or iCal calendar (or any other .ics file) in your blog.”

There are other plugins available that will let you manage your events all in the WordPress dashboard. WP-Events is one I’ve used:
http://wordpress.org/extend/plugins/wp-events/