diff --git a/core/src/com/unciv/models/ruleset/Event.kt b/core/src/com/unciv/models/ruleset/Event.kt
index 14f3bd0195..ca1ebbb6de 100644
--- a/core/src/com/unciv/models/ruleset/Event.kt
+++ b/core/src/com/unciv/models/ruleset/Event.kt
@@ -21,7 +21,7 @@ class Event : INamed {
 class EventChoice {
     var text = ""
     var triggeredUniques = ArrayList<String>()
-    val triggerredUniqueObjects by lazy { triggeredUniques.map { Unique(it) } }
+    val triggeredUniqueObjects by lazy { triggeredUniques.map { Unique(it) } }
 
     var conditions = ArrayList<String>()
     val conditionObjects by lazy { conditions.map { Unique(it) } }
@@ -29,7 +29,7 @@ class EventChoice {
         conditionObjects.all { Conditionals.conditionalApplies(null, it, stateForConditionals) }
 
     fun triggerChoice(civ: Civilization) {
-        for (unique in triggerredUniqueObjects)
+        for (unique in triggeredUniqueObjects)
             UniqueTriggerActivation.triggerUnique(unique, civ)
     }
 }
diff --git a/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt b/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt
index 439ae28fa3..efa230b23b 100644
--- a/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt
+++ b/core/src/com/unciv/models/ruleset/validation/RulesetValidator.kt
@@ -1,7 +1,6 @@
 package com.unciv.models.ruleset.validation
 
 import com.badlogic.gdx.Gdx
-import com.badlogic.gdx.files.FileHandle
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.g2d.TextureAtlas.TextureAtlasData
 import com.unciv.Constants
@@ -85,6 +84,7 @@ class RulesetValidator(val ruleset: Ruleset) {
         addUnitTypeErrors(lines, tryFixUnknownUniques)
         addVictoryTypeErrors(lines)
         addDifficultyErrors(lines)
+        addEventErrors(lines, tryFixUnknownUniques)
         addCityStateTypeErrors(tryFixUnknownUniques, lines)
 
         // Check for mod or Civ_V_GnK to avoid running the same test twice (~200ms for the builtin assets)
@@ -142,6 +142,17 @@ class RulesetValidator(val ruleset: Ruleset) {
         }
     }
 
+    private fun addEventErrors(lines: RulesetErrorList,
+                               tryFixUnknownUniques: Boolean) {
+        // A Difficulty is not a IHasUniques, so not suitable as sourceObject
+        for (event in ruleset.events.values) {
+            for (choice in event.choices) {
+                for (unique in choice.conditionObjects + choice.triggeredUniqueObjects)
+                    lines += uniqueValidator.checkUnique(unique, tryFixUnknownUniques, null, true)
+            }
+        }
+    }
+
     private fun addVictoryTypeErrors(lines: RulesetErrorList) {
         // Victory and Milestone aren't IHasUniques and are unsuitable as sourceObject
         for (victoryType in ruleset.victories.values) {