The daughters of the Silk Route turned their father’s conquests into the first truly international empire, fostering trade, education, and religion throughout their territories and creating an economic system that stretched from the Pacific to the Mediterranean.Yet sometime near the end of the century, censors cut a section about the queens from the Secret History of the Mongols, and, with that one act, the dynasty of these royals had seemingly been extinguished forever, as even their names were erased from the historical record.