How old is BCH?

Could you please elaborate on the question, "How old is BCH?"? It seems you're inquiring about the age or duration of existence of Bitcoin Cash (BCH), a popular cryptocurrency. Are you interested in its inception date, the number of years it has been in circulation, or perhaps its maturity in terms of adoption and technological advancements? Understanding your specific curiosity will help me provide a more accurate and relevant response. So, could you please clarify what aspect of BCH's "age" you're seeking information on?