Question: When was Chosrje Shākya Yeshes sent to Nanjing?
Sentence: Rossabi writes that Tsongkhapa did not want to entirely alienate the Ming court, so he sent his disciple Chosrje Shākya Yeshes to Nanjing in 1414 on his behalf, and upon his arrival in 1415 the Yongle Emperor bestowed upon him the title of "State Teacher"—the same title earlier awarded the Phagmodrupa ruler of Tibet.
Answer in sentence: yes