World Info Legion
The WorldInfo Legion command gives you information about the current events happening in Broken Isles and other Legion areas.
The command has one required parameter event: and two optional parameters schedule: and region:
Events
The event command has five options to select from.
Archeology Weekly
The Archeology Weekly event will display the schedule of the Archeology weekly quests
/worldinfo legion event:Archeology

Fishing Friend
The Fishing Friend event will display the schedule of the fishing friend daily quests.
/worldinfo legion event:fishing

Greater Invasion
The Greater Invasion event will display the schedule of the weekly Argus Greater Invasions.
/worldinfo legion event:greater-invasion

Karazhan Opera Event
The Karazan Opera Event will display the schedule of the weekly rotation for the opera event in the Karazhan dungeon (not raid)
/worldinfo legion event:karazhan

World Boss
The world boss event will display the schedule for the weekly rotation for world bosses in Legion.
/worldinfo legion event:worldboss

Optional Parameters
The region: parameter allows you to display the current affixes for a region other than what the default realm and region from your server setup or channel data is set to.