Facebook appears to be testing its iconic like button on Events, besides the ‘Join’ and ‘Maybe’ buttons.
Previously, there were only two options for making event decisions. The new like button definitely bring a new dimension for Facebook events.
A Sociobits reader send us a screen shot:

As you can see, the new Like button is placed near to the Join button. Facebook also added a new Like module on left sidebar, where we can see the people who have liked the event.
[…] available to selected users. This is the second time the social network is making changes to its Events feature, as AllFacebook reported, recently, Facebook had made a similar redesign to its individual Events […]