Sparta was created in the 9th Century as a strickly militaristic society and lasted right up until they were defeated in the battle of Leuctra in 371 BC.
So about 2300 years ago...
About 40 years
You will first have to specify which 500 years.
40000 years.
For almost 30 years on and off. From 431 BC to 404 BC.
As so many different language translations exist, and as, within those languages, so many different versions exist, and as, within those versions, so many printings exist.... this number is unknown and unknowable.
Depends
No. Because the Sparta
1000 years
The Spartans only lost two battles in 500 years.
1519
Sparta fought very many battles over hundreds of years. Is there a particular era which you are interested in?
Sparta fought very many battles over hundreds of years. Is there a particular era which you are interested in?