It is not trivial to distinguish "conventional" from "modern day" martial arts. Chronology is not the decisive criterion, as, as an example, "classic" Taekwondo was formulated while in the nineteen fifties, whilst the "contemporary" hybrid martial artwork of Bartitsu was developed in ca. 1900. a person by way of threats, https://spenceryrzfu.imblogs.net/53470282/what-does-martial-arts-mordiallic-mean