Humanity’s earliest recorded kiss dates back to around 4,500 years ago in the ancient Middle East – 1,000 years earlier than previously thought, according to researchers.
https://www.msn.com/en-gb/news/world/humans-were-kissing-as-early-as-4-500-years-ago-research/ar-AA1bmYk5?ocid=entnewsntp&pc=U531&cvid=a094403af96f4807ab971483d6331605&ei=27