Wu Zetian 武則天 (624-705 CE) was a concubine and a nun before seizing control of the imperial court and royal family of Tang Dynasty China for fifty years. She reigned as empress-consort (wife of the emperor) then empress-dowager (mother and regent to two emperors), before declaring herself empress-regnant and donning the yellow Dragon robe, the only female sovereign in imperial Chinese history. Her burial site is a massive ornate tablet that bears no inscription (her own choice) an acknowledgement and testament to a continually disputed and re-examined legacy.