Only one event showing up

Only one event is showing up on this site’s calendar: http://trueschool.in/events/.

Even though many of them are published: http://screencast.com/t/aAapmxtgKU.

I’ve been messing around with this for a while, comparing posts, etc. What’s the deal?

https://ww.wp.xz.cn/plugins/all-in-one-event-calendar/