If your website has the All-In-One Calendar Plugin, here’s how you manage it.
Add an event
Go to “Events —> Add New”
Add event information
Click on the green tabs to enter the information requested. Use the content area at the bottom for any additional descriptive text for your event including images — this area is just like the content area on a page or post.
If you have Event Categories, don’t forget to select or add your event category:
If you want a specific image used as the Featured Image for your event post, use the “Featured Image” upload:
When you are done adding your event’s info, click “Publish”