In which year did East Pakistan separate to form Bangladesh?

East Pakistan separated to become Bangladesh in 1971 after a civil war and India’s intervention, marking a significant loss for Pakistan. Studying this highlights the role of regional disparities, the challenges of national unity, and its impact on state formation. For Pakistan, this offers lessons on addressing regional grievances, ensuring equitable development across provinces, and strengthening federal unity to prevent separatist movements and foster national cohesion.