
🛠️ Age of History III update history
Official announcements the developer posts on Steam—patches, new content, and events—sorted by date. Click a title to read the full post.
October 2026
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10/2Fri📢 AnnouncementNew Game Value: Inner Province Border Thickness
New game value added to allow increasing the thickness of inner province borders. File: game/gameValues/GV_Province.json INNER_PROVINCE_BORDER_THICKNESS: 1, Increase the value to make inner province b…
August 2026
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8/2Sun📢 AnnouncementIncorporate Vassal - New Diplomacy Action
Added a new diplomatic action: Incorporate Vassal. Spend Gold to begin incorporating your vassal. Provinces will be annexed gradually as long as relations remain favorable. Features: Added a new Incor…
April 2026
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4/24Fri📢 AnnouncementNuclear Restrictions & Scenario Editor Improvements
Nukes restricted to top 14 Civilizations Nuclear weapons can only be built by the top ranked Civilizations. You can change the limit By default, only the top 14 civilizations can build nukes. This num…
March 2026
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3/31Tue📢 AnnouncementAdd Civilizations Before Game Start
Add Civilizations Before Game Start Add new Civilizations to a scenario before starting a game without using the scenario editor, letting you jump straight into gameplay with your chosen setup. A feat…
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3/15Sun📢 AnnouncementNation Templates, Scenario Editor, Release any Civilization as a Vassal
Civilization Templates Civilization Templates allow you to assign all provinces to a civilization with a single click, based on a pre-generated historical time period for that Civilization. To generat…
August 2025
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8/18Mon📢 AnnouncementHost Diplomatic Summit - Diplomacy
The last great summit between two world powers showed how dialogue, even among rivals, can open the door to easing tensions and finding common ground. Now, civilizations can pursue that same path thro…
July 2025
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7/29Tue
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7/26Sat📢 AnnouncementUnion Improvements
Union Improvements When a union is formed, the vassals of the second Civilization are now transferred to the union leader. The union leader will now gain cores on all provinces that join the union.
Source: official Steam announcements (updated every 6–24 hours). Titles and summaries are copyright of the original developers.