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Leadership is a technology in some Civilization games but a promotion in Civilization IV and Civilization IV: Colonization.

Civilization II

Civilization IV

Civilization Revolution

Civilization IV: Colonization

Other games

Leadership is not present in (or the article has not been created for) the following games :

Game Article
Civilization VII Leadership (Civ7)
Civilization: Beyond Earth Leadership (CivBE)
Civilization Revolution 2 Leadership (CivRev2)
CivWorld Leadership (CivWorld)
Freeciv Leadership (Freeciv)
Civilization: Call to Power Leadership (CTP1)
Call to Power II Leadership (CTP2)
C-evo Leadership (C-evo)
FreeCol Leadership (FreeCol)
Sid Meier's Alpha Centauri‎ Leadership (SMAC)
Starships Leadership (Starships)

Not in the following games

It has been confirmed that Leadership is not present in the following games :

Civilization III
Civilization V
Civilization VI
Sid Meier's Colonization

Future technology (CivRev)
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