Trigon
...that the Ancient Romans played a game called Trigon, which likely involved three players standing in a triangle and passing a hard ball back and forth?
...that the <a href="./Ancient_Rome" id="mwBJo" rel="mw:WikiLink" title="Ancient Rome">Ancient Romans</a> played a game called <b id="mwBJs"><a href="./Trigon_(game)" id="mwBJw" rel="mw:WikiLink" title="Trigon (game)">Trigon</a></b>, which likely involved three players standing in a triangle and passing a hard ball back and forth?