Troides helena common in many of the localities in which it occurs, was classified as vulnerable in 1985. Helen in Greek mythology Helen was the daughter of Zeus. Cerberus or Kerberos, in Greek and Roman mythology, is a multi-headed hound which guards the gates of the Underworld. This species is protected under Wild Animals Protection Ordinance Cap 170 in Hong Kong. The common birdwing is protected in Indonesia and may also require protection in peninsular Malaya also. It is listed in Appendix II of Convention on the International Trade in Endangered Species of Wild Flora and Fauna (CITES) as are all other
Rebellion of the Three Guards the Three Guards. Ji Kang, a famous author of the Three Kingdoms period, wrote an essay about Guanshu and Caishu, in which he argued that the rebellious brothers had "sincere reasons to doubt the wisdom" of Duke Dan's regency. As Cao loyalist he linked the Rebellion of the Three Guards with the Three Rebellions in Shouchun, regarding the rebels as duitiful men fighting against usurping regents (the Duke of Zhou and Sima Yi, respectively). Rebellion of the Three Guards The Rebellion of the Three Guards (), or less commonly the Wu Geng Rebellion, was a civil war, instigated by an