EU4 Casus Belli IDs

A complete and up-to-date searchable list of all EU4 casus belli IDs.

Casus belli is a Latin term meaning case of war. In the game, a country with a casus belli (commonly abbreviated to "CB") on another country is deemed to have a valid cause for war. When declaring war, the player is presented with a list of available CBs.

EU4 Casus Belli IDs

Search our database of 60 EU4 casus belli IDs.
60 results
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NameID
Annex Daimyo
cb_shogun_annex
Annexation War
cb_annex
Border Friction
cb_border_war
Canceled Loan
cb_loan_cancelled
Claim on Throne
cb_claim_throne
Cleansing of Heresy
cb_heretic
Coalition
cb_super_badboy
Colonial Independence
cb_colonial_independance_war
Colonialism
cb_colonial
Conquest
cb_conquest
Crush the Revolution
cb_crush_the_revolution
Defected Province
cb_defection
Defender of the Faith
cb_defender_of_the_faith
Diplomatic Insult
cb_insult
Discovered Spy
cb_spy_discovered
Dishonored Call
cb_dishonored_call
Disloyal Vassal
cb_disloyal_vassal
Excommunicated Ruler
cb_excommunication
Flower Wars
cb_flower_wars
Force Migration
cb_force_migration
Force Tributary State
cb_force_tributary
Force Union
cb_hundred_years_union
Forced ally to break alliance
cb_forced_break_alliance
Government Form War
cb_change_government
Holy War
cb_crusade
Humiliate
cb_humiliate
Humiliate Rival
cb_humiliate_rotw
Imperial Ban
cb_imperial_ban
Imperial Liberation
cb_hre_attacked
Imperial Realm War Superiority
cb_force_join_hre
Imperialism
cb_imperial
Independence
cb_independence_war
Liberate Elector
cb_liberate_elector
Liberation
cb_liberation
Maya Confederation
cb_maya_expansion
Nationalism
cb_nationalist
Obscure Documents
cb_fabricated_claims
Reconquest
cb_core
Religious League
cb_religious_league
Religious Unity
cb_religious_conformance
Restoration of Union
cb_restore_personal_union
Revoke Electorate
cb_revoke_electorate
Revolutionary War
cb_revolutionary
Sengoku
cb_sengoku
Spread the Revolution
cb_spread_the_revolution
Subjugation
cb_vassalize_mission
Support Rebels
cb_support_rebels
Take Mandate of Heaven
cb_take_mandate
Trade Conflict
cb_trade_conflict
Trade Conflict
cb_trade_league_conflict
Trade Dispute
cb_trade_war
Trade League Dispute
cb_trade_league_dispute
Trade Protection
cb_privateers
Trade War
cb_trade_war_triggered
Tribal Conquest
cb_horde_vs_civ
Tribal Feud
cb_tribal_feud
Unify China
cb_chinese_unification
War Against the World
cb_war_against_the_world
War for the Emperor
cb_daimyo_annex
War for the Emperor
cb_independent_daimyo_annex