The <a href="https://en.wikipedia.org/wiki/Battle_of_the_Trebia" class="extiw" title="en:Battle of the Trebia">battle of Trebia</a>, 218 B.C., second Punic War, between Carthaginians and Romans.
<a href="//commons.wikimedia.org/wiki/User:S%C3%A9mhur" title="User:Sémhur">Sémhur</a>
Frank Martini, cartographer. <a rel="nofollow" class="external text" href="http://www.dean.usma.edu/history/">Department of History, United States Military Academy</a>.