I was pretty disappointed to find you have absolutely no control over how Events are displayed in the Event panel. In my case, I have an ETL process setup to push Construction and other facility related notices into our events feature class. I wanted to do some basic formatting of the event description field and include a link back to the notices website our facilities group uses. However, I found that the Event panel does not parse the basic html formatting tags (<a><h5><p> etc.) and just displays them as text.
Am I missing something? Has anyone found a way around this?