BLOODSPORT is the term for events of spectacle involving violence to the point of bloodletting. While violence and bloodletting are probably as old as humanity, they are said to have became a spectacle with the ancient pre-Roman Etruscans in or around 600 BCE — https://www.science.org/doi/10.1126/sciadv.abi7673 and http://thespectaclesofapuleius.weebly.com/gladiatorial-combats.html#.YrSwcy-B3Fc — and later the Greek Olympics begun in 770 BCE — https://olympics.com/ioc/faq/history-and-or...