An (ongoing) interrogation of colonial wrongdoing is important for debates on decolonisation, restorative justice, racial and gender equality and global political and socio-economic equality. This article presents a theoretical study of colonialism’s legal-political injustices and aims to (re)turn the discussion on colonialism to the field’s most powerful insight, i.e. that of of epistemic violence and injustice. This article also suggests that the reach of this historical injustice went much further than the politics of autonomy, usurpation of territorial rights, political disenfranchisement and resource appropriation. To address the question of colonialism’s distinctiveness as a political mission, which has been discussed in recent debates within analytic philosophy, it argues that colonialism’s epistemic injustice, which denied the very existence and the traditions of the colonised, is the foundational and distinctive feature of colonialism as a political system and which drives its continued impact to this day.