answers: 1972
context: led by D. S. Senanayake succeeded in winning independence. The Soulbury constitution was essentially what Senanayake's board of ministers had drafted in 1944. The promise of Dominion status, and independence itself, had been given by the Colonial office. The Sinhalese leader Don Stephen Senanayake left the CNC on the issue of independence, disagreeing with the revised aim of 'the achieving of freedom', although his real reasons were more subtle. He subsequently formed the United National Party (UNP) in 1946, when a new constitution was agreed on, based on the behind-the-curtain lobbying of the Soulbury commission. At the elections of 1947, </s> Names of Sri Lanka Sri Lanka (Sinhala: ශ්‍රී ලංකා, "Śrī Lankā"; Tamil: இலங்கை , "Ilaṅkai"), officially the Democratic Socialist Republic of Sri Lanka, is an island in the northern Indian Ocean which has been known under various names over time. Under British rule, the island was known as Ceylon from 1815-1972. "Lanka" was the classical name bestowed on the island by the Ramayana, an ancient Indian epic. A possible theory is that the name Lanka is derived from the Tamil word "ilanku" (இலங்கு), which means "to shine" or "to glitter", thus making "Lanka" a name that means "that which glitters". </s> political landscape: the island had been ruled by seven native kingdoms in succession (at times several concurrently), with the Kingdom of Kotte first coming under Portuguese occupation. The Dutch ended Portuguese influence, and continued colonial occupation on the island from 1640 until 1796, when the British in turn replaced them. Unlike the Portuguese and Dutch, the British were eventually able to occupy the entirety of the island as a Crown colony, creating British Ceylon in 1815. With British influence came ideas of democratic principles and governance, including the concept of a constitution- indeed, the Sri Lankan independence movement was notable
question: when did ceylon change its name to sri lanka