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Science and Philosophy

The Lê period was the continuously flourishing era of Vietnamese scientific thought and Confucianism scholarship. Nguyễn Trãi was a 15th-century Lê official, author of geography book Dư địa chí, also was a Neo-Confucianist scholar. Lê Quý Đôn was a poet, encyclopedist, and government official, author of the geography book Phủ biên tạp lục. Hải Thượng Lãn Ông was a famous Vietnamese doctor and pharmacist with his full collection 28-volumes Hải Thượng y tông tâm lĩnh about traditional Vietnamese medicine. Matchlock firearms technology also spread from Mughal Empire to Đại Việt in 1516, and was adopted by the Lê army by the 1530s.