2500 years approximately
As long as cows have been in existence, or the whole Bos primigenius species and subspecies have been in existence.
Buddhism was founded about 2500 years ago.
Helium is has been in existence since the beginning of the universe.
they have been in existence for 110 years since 1901.
Buddhism has been around for over 2,500 years and is still growing.
The IUPAC has been in existence since 1919. (93 years ago.)
long time
October 1920
since 1992
Japan has a few religions, animism and Shinto being the native religions. Buddhism was introduced long ago, and more recently Christianity has been introduced.
they have been here forever
88 years