Question: When did the country that released Duhulu Malak leave the British Empire?

full_context: Document 1: D. S. Senanayake: Don Stephen Senanayake (; ; 21 October 1883 – 22 March 1952) was a Sri Lankan statesmen. He was the first Prime Minister of Sri Lanka having emerged as the leader of the Sri Lankan independence movement that led to the establishment of self-rule in Sri Lanka. He is considered as the "Father of the Nation".
Document 2: Bollywood: In 1937, Ardeshir Irani, of Alam Ara fame, made the first colour film in Hindi, Kisan Kanya. The next year, he made another colour film, a version of Mother India. However, colour did not become a popular feature until the late 1950s. At this time, lavish romantic musicals and melodramas were the staple fare at the cinema.
Document 3: Hanthane Kathawa: Hanthane Kathawa (Sinhalese language word means "Story of Hanthana") is a 1969 film based on a love story of university students of Sri Lanka. It was directed by famous Sri Lankan film director Sugathapala Senerath Yapa and screened on August 1, 1968. This film also remarks the cinema debut of famous actor Vijaya Kumaratunga.
Document 4: Wasana: Wasana is a 1976 Sinhalese language romance film directed that follows the lives of middle-class people in Sri Lanka. The film stars Geetha Kumarasinghe, Vijaya Kumaranatunga and Malini Fonseka made notable roles. Also this film was the cinema debut of popular Sri Lankan film actress Geetha Kumarasinghe.
Document 5: Second Sirimavo Bandaranaike cabinet: The Second Sirimavo Bandaranaike cabinet was the central government of Ceylon led by Prime Minister Sirimavo Bandaranaike between 1970 and 1977. It was formed in May 1970 after the parliamentary election and it ended in July 1977 after the opposition's victory in the parliamentary election. The second Sirimavo Bandaranaike cabinet saw Ceylon severing the last colonial ties with Britain as the country became a parliamentary republic in May 1972. The country was also renamed Sri Lanka.
Document 6: Dominion of Ceylon: Between 1948 and 1972, Ceylon was an independent country in the Commonwealth of Nations that shared a monarch with Australia, Canada, New Zealand and the United Kingdom, and certain other sovereign states. In 1948, the British Colony of Ceylon was granted independence as Ceylon. In 1972, the country became a republic within the Commonwealth, and its name was changed to Sri Lanka. It was an island country in South Asia, located about 31 kilometres (19.3 mi) off the southern coast of India.
Document 7: British Empire: Britain's remaining colonies in Africa, except for self-governing Southern Rhodesia, were all granted independence by 1968. British withdrawal from the southern and eastern parts of Africa was not a peaceful process. Kenyan independence was preceded by the eight-year Mau Mau Uprising. In Rhodesia, the 1965 Unilateral Declaration of Independence by the white minority resulted in a civil war that lasted until the Lancaster House Agreement of 1979, which set the terms for recognised independence in 1980, as the new nation of Zimbabwe.
Document 8: Sri Lankan independence movement: The Sri Lankan independence movement was a peaceful political movement which aimed at achieving independence and self - rule for Sri Lanka, then Ceylon, from the British Empire. It was initiated around the turn of the 20th century and led mostly by the educated middle class. It succeeded when, on February 4, 1948, Ceylon was granted independence as the Dominion of Ceylon. Dominion status within the British Commonwealth was retained for the next 24 years until May 22, 1972 when it became a republic and was renamed the Republic of Sri Lanka.
Document 9: Duhulu Malak: Duhulu Malak is a 1976 Sinhalese language romance film directed by Vijaya Dharmasri that follows the lives of middle-class people in Sri Lanka. The film stars Nita Fernando, Ravindra Randeniya and Tony Ranasinghe and is notable for containing the first depiction of adultery in a Sinhala film. As per some cinema analysts, the story of the film advises young people to be aware of their own attitudes, such as understanding, fairness and patience as they will lead them to a better married life.
Document 10: Aadhalal Kadhal Seiveer: Suganth of The Times of India gave 3.5 stars out of 5 and called "Aadhalal Kadhal Seiveer", "a return to form for the director after the misfire that was "Rajapattai". Malini Mannath of The New Indian Express wrote, ""Aadhalal Kadhal Seiveer" comes as a breath of fresh air. Clear and focused in its screenplay, it is sensitive in handling the issue of premarital sex and teen pregnancy. Brilliantly narrated by Suseenthiran, it capsules a relevant issue in just 106 minutes. "Aadhalal Kadhal Seiveer" is an experience not to be missed". Sify wrote, "Suseenthiran is back in form with his latest realistic "Aadhalal Kadhal Seiveer". He has come out with a different kind of film which is sure to pull at your heartstrings and at the same time make you think of the realities of life". S Saraswathi of Rediff gave 3 stars out of 5 and wrote ""Aadhalaal Kaadhal Seiveer" is a must watch. A simple and honest screenplay with a liberal dose of realism coupled with some excellent editing, but most of all, the totally unexpected climax, sets this film apart". Malathi Rangarajan of The Hindu wrote, "Nearly two years after "Rajapaatai", Suseenthiran bounces back with AKS that has a neatly told story and a finale that touches an interesting emotional acme". Indo-Asian News Service wrote, "Suseenthiran handles the film bravely without compromising on the message it sets out to deliver to its audiences. Any story dealing with a social problem is either extremely preachy or overtly melodramatic, but what we get here is an intelligent output sans cliches. Kudos to the director for writing and narrating an impactful story". Behindwoods wrote, "AKS is a ‘slice of life’ tale topped by a really impactful climax. Suseenthiran is back in form with a short impactful teenage romance".
Document 11: Andharangam: Andharangam is a Tamil language film, starring Kamal Haasan. Savithri and Major Sundarrajan played Deepa's parents. It was an adult rated movie, released when Kamal was in his early 20s. The movie was taken in black and white, but the song scene of ""Gnayiru Oli Mazhaiyil"", ""Paadaganai Thedikondu"" and ""Pudhu Mugame"" were taken in Gevacolor. The song "Gnayiru Oli Mazhaiyil" marked Kamal Haasan's debut as a singer. This film was a debut film for satheesh as a villain and also Deepa's debut film.
Document 12: S. Mahinda: S. Mahinda arrived in Ceylon (now Sri Lanka) at a young age and was ordained as a Buddhist monk. Having learned the Sinhala language, he became a poet, creating several literary works inspiring patriotism among the Sinhalese and urging them to fight for their freedom during Sri Lankan Independence movement.. He is now considered a national hero of Sri Lanka and one among the greatest of Sinhalese poetry figures of all time.
Document 13: History of India: From 1920 leaders such as Mahatma Gandhi began highly popular mass movements to campaign against the British Raj using largely peaceful methods. The Gandhi-led independence movement opposed the British rule using non-violent methods like non-cooperation, civil disobedience and economic resistance. However, revolutionary activities against the British rule took place throughout the Indian subcontinent and some others adopted a militant approach like the Indian National Army that sought to overthrow British rule by armed struggle. The Government of India Act 1935 was a major success in this regard. All these movements succeeded in bringing independence to the new dominions of India and Pakistan on 15 August 1947.
Document 14: Muallaf: As Yasmin's second feature film, "Sepet", "Muallaf" was first screened in Singapore instead of Malaysia, where it was shot. The film ran for 4 weeks in Singapore from 27 November to 24 December 2008, recording turnouts more than that of "Sepet". "Muallaf" was first denied screening in Malaysian cinemas due to the Malaysian censorship authorities request of key scenes to be cut, thus rendering the story meaningless. However, 1 year later, "Muallaf" finally opened in Malaysia nationwide on 24/12/09 with a few dialogues muted.
Document 15: Agadam: Dinamalar appreciated the film stating that 'the film has a good medical message and stand out in its unique attempt of single shot filming'. They also lauded the entire cast as well as the technician's, concluding that the slow pace of some part has not affected the good result. Kungumam magazine appreciated the cameraman as well as director for making a single shot film completely in a house. Maalai Malar daily mentioned that the cinematography as well as direction has to be appreciated, but music lacked the thrill. Overall the effort can be appreciated for making a single shot film. In contrast, M. Suganth of "The Times of India" rated the film 1.5 out of 5, saying that ""Agadam" is a cautionary tale that proves that while digital has made it possible for anyone to make a film, not everyone should make one."
ground_truth: February 4, 1948
sub_queries: Which was the country for Duhulu Malak? Answer: Sri Lanka
when did Sri Lanka leave the british empire Answer: February 4, 1948