Analysis of information sources in references of the Wikipedia article "Lei tai" in English language version.
In both ancient China and Greece, the most popular sports were probably wrestling, boxing, and combinations thereof (Greek pankration, Chinese leitai). The same might be argued for ancient Egypt, India and Japan. [...] In both ancient China and Greece, the no-holds-barred combat sport (Greek pankration, Chinese leitai) was probably the most popular one.