 He attacked Gia Định (mordern Ho Chi Minh City) several times. After the captured of Gia Định, he was left there to assist Trương Văn Đa. In 1785, Siamese forces invaded Gia Định, he was sent to Quy Nhơn for help. He joined the Battle of Rạch Gầm-Xoài Mút, and defeated Siamese forces. Nguyễn Huệ retreated from Cochinchina, and left Chân in Gia Định. 

A civil war broke out between Nguyễn Nhạc and Nguyễn Huệ in 1787, he joined Nhạc's side. Huệ besieged Quy Nhơn, he led the main forces to support Nhạc. Getting the information, Nguyễn Ánh returned to Vietnam. Chân was defeated and captured by Huệ, and later surrendered to Huệ. After the Battle of Ngọc Hồi-Đống Đa, Huệ attempted to find a peaceful solution with Qing China. Chân was sent to China as a member of diplomatic corps.

Quy Nhơn was attacked by Nguyễn lord in 1793. Nguyễn Nhạc was defeated, and asked for Toản's help. An army under Phạm Công Hưng, Ngô Văn Sở, Nguyễn Văn Huấn and Lê Trung was sent to reinforce Quy Nhơn. In the same time, Chân led 50 ships to assist them. They forced Nguyễn army to retreat.

References

Category:Year of birth missing
Category:Year of death missing
Category:Tây Sơn dynasty generals
Category:18th-century Vietnamese people

Rock dormouse

The rock dormouse or flat-headed African dormouse (Graphiurus platyops) is a species of rodent in the family Gliridae. It is found in Botswana, Mozambique, South Africa, Eswatini, Zambia, and Zimbabwe where it lives among rocks in upland areas. It is a fairly common, mainly nocturnal species and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".

Description
The rock dormouse is a moderate sized species with a head-and-body length of  and a tail of , weighing between . The fur on the back is soft, smooth and rather long, being around  on the rump with guard hairs of . The dorsal colour varies from grey to some shade of greyish-brown. The und