That the Homo Sapiens originated in Africa and spread throughout the whole world over millions of years and that (if I'm not mistaken), they breeded with Neanderthals
<h2>The earliest and most important legislation, or body of leges, was the Twelve Tables, enacted in 451–450 bce during the struggle of the plebeians for political equality. It represented an effort to obtain a written and public code that patrician magistrates could not alter at will against plebeian litigants</h2>