TraumaTrauma, a complex and widely used concept, has become a key framework for understanding individual and collective relationships to the past, particularly in the context of twentieth-century catastrophes and violenceviolence. Forms of traumatrauma reflect the enduring impacts of events like colonisation, slavery, genocides, and wars on individuals, communities, and societies across generations. Geographers and historians have further contextualised trauma within social, environmental, and structural frameworks, exploring concepts like geotrauma and historicalhistorical trauma. Responses to traumatrauma vary, with harmful coping mechanisms highlighting the existential threat it poses to identityidentity and community. Educational initiatives, including critical peacebuilding education, are proposed as pathways to disrupt marginalising narratives and foster reconciliationreconciliation. A historicalhistorical perspective on trauma offers a more nuanced understanding of its collective and transgenerational dimensions. This chapter offers a six-stage reconciliation cycle that traces a negotiated process that moves from conflictconflict to accord. The six stages are: admission of traumatictraumatic pastsadmission of traumatic pasts, narrativenarrative acknowledgementnarrative acknowledgement, validation of emotionsvalidation of emotions, empathetic deliberationempathetic deliberation, responsibilityresponsibility, and restorationrestoration.