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March 23 – Five-year-old Trần Thiếu Đế is forced to stop being the ruler of Đại Việt (modern-day Vietnam) and give the throne to his maternal grandfather Hồ Quý Ly. This was the end of the Trần Dynasty after 175 years and the start of the Hồ Dynasty. Hồ Quý Ly changes the country's name to Đại Ngu.