decennalia
...that in the Roman Empire, ten-year celebrations called "decennalia" originated after Augustus refused the lifetime supremacy offered to him?
...that in the <a href="./Roman_Empire" id="mwBiM" rel="mw:WikiLink" title="Roman Empire">Roman Empire</a>, ten-year celebrations called "<b id="mwBiQ"><a href="./Decennalia" id="mwBiU" rel="mw:WikiLink" title="Decennalia">decennalia</a></b>" originated after <a href="./Augustus" id="mwBiY" rel="mw:WikiLink" title="Augustus">Augustus</a> refused the lifetime supremacy offered to him?