First Sino japanese war
The Secod Sino Japanese war can be traced to the first Sino that went on 1894 - 1895 japan won and forced the Qing dynasty to Cede Formosa.
The republic of China
The republic of China was founded in 1912 following the Xahina revilution which overthrew the Qing dynasty.
Twenty one demands
Japan published the twenty one demands to extort chinas commercial privliges.
The NRA swept through china until it was checked in Shandong resulting in short conflict.
Nominal Unifacation of China
In 1928 Zhang Zulion was assassinated And replaced by his son Zhang Xulieang.
Communist party of China
The Chinese communist revolted aganst the central govement.