This city names an event that led to Japan withdrawing from the League of Nations, and was followed by the establishment of a puppet state led by Puyi.
While travelling to this city, the warlord Zhang Zuolin was assassinated via bomb at a train station named Huanggutun. A palace in this city was constructed by Nurhaci in 1625 and was the center of power for the Manchus until the fall of the Ming Dynasty. A battle fought here saw nearly 90,000 Russian casualties under Kuropatkin, and was the final land battle of the (*) Russo-Japanese War. This city names an event that led to Japan withdrawing from the League of Nations, and was followed by the establishment of a puppet state led by Puyi. That incident saw the Kwantung army detonate explosives by a railroad which did little actual damage. For 10 points, name this city that names a 1931 incident used by Japan as an excuse to invade Manchuria.
While travelling to this city, the warlord Zhang Zuolin was assassinated via bomb at a train station named Huanggutun.
Mukden [Accept Mukden Incident or Battle of Mukden or Mukden Palace or Shěnyáng]