I have no clue
5,000
Traces do not go back that far in history.
In 1892, John Froelich invented and built the first gasoline/petrol-powered tractor in Iowa. The history of the engines with in tractors go back as far as 1850.
14000 ago
Make that several thousand years!
The history of human flight doesn't go very far back in time.
I haven't seen a history text book in many years, so my information goes only as far as I can remember.
Cro-Magnons were an early population of modern humans who lived in Europe around 40,000 to 10,000 years ago. While they are not direct ancestors of modern Europeans, they are considered part of the same ancestral population that eventually led to the diverse populations of Europe today.
That depends on how far back you want to go. A difference engine was considered as far back as 1786. Babbage create his first one in 1822.
How far back does family go back
The breed history of the Singapura does not go far back in history they have only been seen since 1991. This is a well known cat now.
Most companies go back three years for moving violations. However, they can go back as far as five to see if there is a pattern of bad driving history.