Kirin Tor Tavern Crawl is a micro-holiday added with Patch 7.1.5 that takes place on Jul 31, although it was supposedly scheduled for earlier (Jan 31), but has some technical issues that caused a delay. It is not clear if the next one will be at the original date in 2018 or the later date.
Official preview description Edit
Patch changes Edit
- Patch 7.1.5 (10-Jan-2017): Added.
See also Edit