1928–1932First Five-Year Planbegins collectivization of agriculture;leads to famines across Soviet Union
Dec 1928Manchurian warlorddeclares for Nationalists
10 Jul 1929Manchurian warlordseizes ChineseEastern Railway
22 Jul–20 Nov 1929Soviet Unioninvades Manchuria
By 1929, Chiang Kaishek's Nationalists were rapidly reunifying China. With Chiang's backing, the Manchurian warlord seized the part-Soviet administered Chinese Eastern Railway. The Soviets responded with a two-pronged invasion, swiftly forcing the Manchurians to come to terms and demonstrating China's continued weakness.
Stalin implements First Five-Year Plan in Soviet Union in wikipedia
Fengtian clique leader Zhang Xueliang accepts Chinese Nationalist Government, symbolically reunifying China in wikipedia
Fengtian clique seizes Chinese Eastern Railway in wikipedia
Soviet Union invades Manchuria in wikipedia