
1000-600 BCE: c. 1000 BCE - c. 600 BCE

1st century BCE: c. 100 BCE - CE 1

2nd century BCE: c. 200 BCE - c. 100 BCE

3100-1000 BCE: c. 3100 BCE - c. 1000 BCE

3rd century BCE: c. 300 BCE - c. 200 BCE

4th century BCE: c. 400 BCE - c. 300 BCE

5th century BCE: c. 500 BCE - c. 400 BCE

6th century BCE: c. 600 BCE - c. 500 BCE

Evolution: c. 4 billion years ago - c. 35,000 years ago
