Prehistoric
Mesopotamia / Babylon
Egypt
1000–500 BCE
Babylon
India
China
Greece
500–1 BCE
1–500 CE
500–900 CE
900–1500 CE:
1500s:
1600s:
1700s:
1800s:
1900 – 1950
1950 – 2000
2000s
Babylon
India
China
Greece
1600s:
1700s:
1800s:
1900 – 1950
1950 – 2000
2000s