I read in Beta 2 Release Notes that sometimes "No More Events" appears in the Calendar complications view and the fix is to reboot the Apple Watch.
I've rebooted both my phone AND Apple Watch and still cannot view Events.
Here's the link my screen shot.
http://i574.photobucket.com/albums/ss184/gruversm/fullsizeoutput_d0d_zps9pqboaxy.jpeg