Lê Hiển Tông (黎顯宗 20 May 1717 – 10 August 1786), born Lê Duy Diêu, was the penultimate emperor of Vietnamese Lê dynasty. He reigned from 1740 to 1786 and was succeeded by his grandson Lê Duy Kỳ.^[1][2][3]

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Quick Facts Lê Hiển Tông 黎顯宗, Emperor of the Revival Lê dynasty ...

Lê Hiển Tông 黎顯宗
Emperor of Đại Việt
Emperor of the Revival Lê dynasty
Reign	1740–1786
Predecessor	Lê Ý Tông
Successor	Lê Chiêu Thống
Regent	Trịnh Doanh (1740–1767) Trịnh Sâm (1767–1782) Trịnh Cán (1782) Trịnh Tông (1782–1786)
Born	20 May 1717 Đông Kinh, Đại Việt
Died	10 August 1786 Đông Kinh, Đại Việt
Names Lê Duy Diêu (黎維祧) Era name and dates Cảnh Hưng (景興): 1740–1786 Posthumous name Vĩnh Hoàng đế (永皇帝) Temple name Hiển Tông (顯宗)
House	Revival Lê dynasty
Father	Lê Thuần Tông
Mother	Nhu Thuận hoàng hậu

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At the time Vietnam was under the power of the Trịnh lords. During the reigns of Lê Thuần Tông (1732–35) and Lê Ý Tông (1735–40), Trịnh Giang ruled Vietnam with the title Uy Nam Vương, but he was deposed in 1740 due to poor leadership. From 1740 to 1767, Trịnh Doanh ruled with the title Minh Do Vương in the first part of the reign of Lê Hiển Tông. He was followed by Trịnh Sâm, who ruled from 1767 to 1782 with the title Tinh Do Vương. At this point the Lê dynasty began to regain its power.

He had twenty-three children, including:

• Crown prince Lê Duy Vĩ, executed by the Trịnh lords in 1771
• Lê Duy Cận (died after 1786)
• Princess Lê Thị Ngọc Hân
• Princess Lê Thị Ngọc Bình