Whenever one of the global casts performed by a player god priest happens, area history (and Twitter) records it as the default god cast.
Last occurence: Release, where RoS was cast by a Nahjo priest, but people were informed followers of Vynora received her blessings.
Sep 25, 2017 12:55:19 AM Habet casts Rite of Spring. Followers of Vynora receive her blessings!
https://twitter.com/Releaseserv