Leviathan journey guide battle is missing

Since the end of May, there has only been 1 leviathan event.  You'll find it in 'events' on.................the 20th?  I think.

If you go into events now, you should see it.  Mines there with a 4 day (until it starts) timer.

If you haven’t unlocked it you need to unlock via the “Journey Guide” left hand side of screen. Once unlocked, the bonus event will then show up in the “Events” area once per month.

Yep, I know all this things. I'm ready for the event, but can't see it in game.

As far as I know, this event takes place on the 20th of every month. in June I haven't  seen the event, but thought that missed the day. Now I've noticed, that Executor event was announced for 5 days. 

Hmmmm, maybe look in the 'bugs' section.  I think......this has been reported before.  Sorry, I didn't look closely enough at your picture.

Thank you for your reply.

I've switched to another journey and missed the event. Didn't know that journey must be active while event is on.