Order · Singapore
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The Darjah Utama Nila Utama (English: Order of Nila Utama) is Singapore's third most prestigious national honour, established in 1975. It is an Order conferred by the President of Singapore and was originally intended as the highest award for foreign dignitaries. Over time, it has been awarded predominantly to Singaporeans. The honour is named after the founder of the Kingdom of Singapura, Sang Nila Utama.
As of 1 August 2019, the Order comprises three grades:
the Order of Nila Utama (With High Distinction),
the Order of Nila Utama (With Distinction), and
the Order of Nila Utama.
Recipients of the honour are entitled to use the post-nominal letters DUNU.
From Wikipedia (article), under CC BY-SA 4.0.