1000 years
3411 years
Remembering that there was no year zero, it was 2409 years.
from 2900bc until 1400bc
Im not sure when it started but i now that it ended in 400BC !! I will look for the answer!! Im not sure when it started but i now that it ended in 400BC !! I will look for the answer!!
400bc
According to Historian Pulanco, Melchor of the Philippine Historical Astronomical Institute est in 1400bc. There is no answer to this question yet.
Iron progressively replaced bronze.
5th century bc
before 400BC by aryabhatt
around 400BC by the Romans
sometime in the 400BC in greece
The earliest known references to cameras are in about 400BC in China.