Geological

(3,000,002,024 yrs)   3,000,000,000 BCE - 2024

(3,000 yrs)   19,000 BCE - 16,000 BCE

(12,000 yrs)   16,000 BCE - 4,000 BCE

(1,800 yrs)   12,700 BCE - 10,900 BCE

(1,200 yrs)   10,900 BCE - 9,700 BCE

6,200 BCE