How about microdata? is there any plan to make events in http://schema.org/event format?
A result can list multiple events, like this:
[img size=350]http://schema-creator.org/images/event.png[/img]
... or it can list a single event, like this:
[img size=380]https://www.google.com/help/hc/images/webmasters_164506_richsnippetsevents_singleevent_en.gif[/img]