It depend in our creator and that is god
Nobody knows because human existence has been for so long.
As long as cows have been in existence, or the whole Bos primigenius species and subspecies have been in existence.
Very old, the art of hand sewing has been in existence as long as human beings have been wearing clothes,.
they have been in existence for 110 years since 1901.
Helium is has been in existence since the beginning of the universe.
Depends on your definition of a human. Some date back a hundreds of thousands of years. Some people believe the world itself has only been around for 6000 years. Go figure.
long time
since 1992
October 1920
they have been here forever
1956
1909