There is no known date but it is generally believed to have existed since Vedic times.
brahman
According to Hinduism, a Brahman is a person who devotes his life in search of knowledge - the Brahm. They are also known as the teachers and preachers and they disseminated the knowledge among others.
india
brahman
Brahman cows have been known to get as old as 20, if not 30 years old or more.
aryan
Lord Shiva
Hinduisim
Hinduism
Hinduisim
Brahmans are known for their great mothering ability, yes.