赤松德赞（威利：Khri-sRong lDe-bTsan，藏语拼音：Chisong Dêzain，THDL：Trisong Detsen，742－797），又译墀松德赞，《新唐书》作“挲悉笼腊赞”。按照藏族的传统说法，他是吐蕃王朝第37任赞普，755年至797年在位。在他任内，吐蕃国势达到鼎盛。他也为藏传佛教的弘扬起着极为重要的作用，与松赞干布、赤祖德赞被后世尊为“吐蕃三法王”。
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King Tri Song Detsen (740-798/804): the Tibetan King that firmly established Buddhism in Tibet, believed to be an emanation of the bodhisattva Manjushri, having invited the Abbot Shantirakshita and Padmasambhava from India, and built the first monastery - Samye Chokor Ling. His typical attributes are a wisdom sword and book supported atop two lotus blossoms at each shoulder.
"Samye, Tibet's first monastery, was likely completed in 775 and inaugurated in 779, although the Tibetan historian Buton gives construction dates of 787-799 and the Tang Annals state it was built in 763."
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