Did a City State give me a technology?



  • Yesterday, while playing Civilization V: Brave New World game, I suddenly researched Refrigeration Technology, even though I was researching Atomic Theory (had 5 turns left on it).

    How could this have happened?

    I'm sure it wasn't from esponiage as I do not have any spies trying to steal technology from other civilizations.

    Come to think of it, can City-States gift free technologies?
    (I have all the policies in the Patreonage tree)



  • Did you by any chance still have a scouting unit roaming the map? If they come across a still existing ruin, they could discover a technology. I assume it always gives you an unresearched-but-available technology.

    All other sources of free technologies have you choose which technology you want (including via espionage), as far as I can remember.

    Small update
    As far as I remember, city states only give you science, not specific technologies. So it goes to the research you currently selected, instead of giving you random things over time.


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