나무위키�?백과사전�?아니�?검증되지 않았거나, 편향적이거나, 잘못�?서술�?있을 �?있습니다. The Trần dynasty also adopted a singular strategy to prepare new emperors: every time a crown prince reached the age of 18, his predecessor would abdicate and switch the throne in excess of to him, nonetheless holding the title of Retired Emperor (Thái Thượng Hoàng), https://vi-t-nam97642.blogsumer.com/30527746/the-fact-about-vf555-that-no-one-is-suggesting