EU4Commands.com

declare_war Console Command

Documentation and examples for the declare_war command in Europa Universalis IV.

declare_war

Diplomacy

Declares war between two nations with no casus belli

ParameterDescription
Attacker TagTextrequired
Defender TagTextrequired
Call Allies 0/1Textrequired

Command builder

Fill in the parameters to build a ready-to-paste declare_war command. Fields with a dropdown let you pick a valid ID.

Attacker Tag
Defender Tag
Call Allies 0/1

Examples

Here is an example of how to use declare_war.

Makes France declare war on England with no casus belli and no allies called in.

Overview

Forces a war between two named countries. The final 0/1 argument controls whether allies are called in, and you can attach a casus belli; this bypasses the normal need for a justification.

Frequently asked questions

How do you use the declare_war command in EU4?

Open the console with the grave (`) key while in-game, type declare_war followed by its parameters, then press Enter. For example: declare_war FRA ENG 0. The console can't be opened in Ironman games.

What does the declare_war command do?

Declares war between two nations with no casus belli.

What are the parameters for the declare_war command?

The syntax is declare_war [attacker tag] [defender tag] [call allies 0/1]. It takes 3 arguments: attacker tag, defender tag, call allies 0/1.

Does the declare_war command require any DLC?

No. declare_war is part of the base game and works without any DLC.

Can you use declare_war in Ironman mode?

No. The console is disabled in Ironman games, so declare_war can't be entered. Because achievements are only earned in Ironman, console commands like declare_war can't be used to unlock them.