Eon in Earth history, consisting of the most recent 570 million years. It comprises the Palaeozoic, Mesozoic, and Cenozoic eras. The vast majority of fossils come from this eon, owing to the evolution of hard shells and internal skeletons. The name means interval of well-displayed life.
Black stands for the African people. White symbolizes peace. Black, red, and green, the ‘black liberation’ colours, denote Africa's rebirth. Red represents the blood common to all people. Green recalls the fertile land. Effective date: 12 December 1963.