<page_title> History of Earth </page_title> <section_title> Eons </section_title> <table> <cell> Hadean <col_header> Eon </col_header> </cell> <cell> 4,540–4,000 <col_header> Time (mya) </col_header> </cell> <cell> The Earth is formed out of debris around the solar protoplanetary disk. There is no life. <col_header> Description </col_header> </cell> <cell> Archean <col_header> Eon </col_header> </cell> <cell> Proterozoic <col_header> Eon </col_header> </cell> <cell> Phanerozoic <col_header> Eon </col_header> </cell> </table>
The history of Earth is divided into four great eons, starting from 4,540 mya with the formation of the planet.