Dacia ripensis
...that the Roman province of Dacia ripensis contained eight fortresses developed by Trajan?
...that the <a class="mw-disambig" href="./Roman" id="mwDPk" rel="mw:WikiLink" title="Roman">Roman</a> province of <b id="mwDPo"><a class="mw-redirect" href="./Dacia_ripensis" id="mwDPs" rel="mw:WikiLink" title="Dacia ripensis">Dacia ripensis</a></b> contained eight fortresses developed by <a href="./Trajan" id="mwDPw" rel="mw:WikiLink" title="Trajan">Trajan</a>?