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Sri Lankan independence movement - Wikipedia
History of Sri Lanka - Independent Ceylon (1948–71) | Britannica
Sri Lanka - British Rule, Colonialism, Independence | Britannica
Sri Lanka - Island Nation, Culture, History | Britannica
Dominion of Ceylon - Wikipedia
History of Sri Lanka (1948–present) - Wikipedia
European Discovery & Conquest of Sri Lanka
Sri Lankan independence movement - Wikiwand
Push and Pull: The Ceylon Independence Act
Independence movement in Sri Lanka during British ruling period