The narrative event "The Architectural Masters" triggered for me on a city owned by an AI and captured by a different AI. This provides a benefit so it should only trigger on cities under my control. 


https://humankind-encyclopedia.games2gether.com/en-us/society/game-content/narrative-events/NarrativeEvent_NarrativeEvent_Regular71


System:

MacOS 12.6.4


Epic Games Version

Humankind 1.0.25.4263