Regnal years of English monarchs Britain), from 1066 to the present day. These are official "de jure" dates, and may or may not coincide with whether a particular king had "de facto" power or not at that time. For example, as the Commonwealth era was suppressed in the official record, the regnal years of Charles II are measured from 30 January 1649 (the day his father Charles I was executed); as a result, when Charles II actually became king, on 29 May 1660, he was already in his 12th regnal year. (For the "de facto" tabulation of English rulers, see any conventional list of English
Eiao monarch Eiao monarch The Eiao monarch ("Pomarea fluxa") is an extinct species of bird in the family Monarchidae. The species is sometimes considered to have been conspecific with the Iphis monarch. It was endemic to French Polynesia. Its natural habitats were subtropical or tropical dry forests, subtropical or tropical moist lowland forests, and subtropical or tropical moist shrubland. The Eiao Monarch was last seen in 1977. The likely cause of extinction is thought to have been introduced predators (feral cats, black rats) however, other contributing factors may have included possible avian disease from introduced species (Chestnut-breasted Mannikin) and habitat loss caused