 The siege lasted until 16 December 1925 when, with British mediation, Sharif Ali surrendered and left the city for Baghdad.In the same month, Ibn Saud declared himself King of Hejaz in addition to Sultan of Nejd.Bonellia viridis

Bonellia viridis, the green spoonworm, is a marine worm (Class Echiura, phylum Annelida) noted for displaying exceptional sexual dimorphism and for the biocidal properties of a pigment in its skin.