February 21, 1898 (the Reform Movement in February, the first day), Tan founded the Southern Society.


1898 Reformists Tan, Tang Caichang established in Changsha South Society. The set will be aimed at joint the southern provinces Patriots, phase and emphasis on patriotic rationale to explore the salvation of the law, and discuss the local major reforms and put forward specific proposals for the provincial authorities to adopt. Changsha set always, the government room counties located branch. Spoke of the month four times, the audience enthusiastically and will set '000 hundreds. Fierce struggle with the old school. Destruction in the coup d'etat.