Emperor Penguins= approximately 55million yrs ago :)
200 years
As long as cows have been in existence, or the whole Bos primigenius species and subspecies have been in existence.
Helium is has been in existence since the beginning of the universe.
they have been in existence for 110 years since 1901.
The IUPAC has been in existence since 1919. (93 years ago.)
they have been aound for many years since they are animals
long time
since 1992
October 1920
Yes. There are 17 species of penguins still in existence. They are all found in the Southern hemisphere.
they have been here forever
88 years
The saxophone was patented in 1846.