W1931 Jinan air crashW1931 China floodsWEncirclement campaign against the Northeastern Jiangxi SovietWEncirclement campaign against the Hunan-Hubei-Jiangxi SovietWFirst encirclement campaign against the Jiangxi SovietW1931 Fuyun earthquakeWJapanese invasion of ManchuriaWJiangqiao campaignWJinzhou OperationWLytton ReportWMukden IncidentWNakamura IncidentWResistance at Nenjiang BridgeWSecond encirclement campaign against the Jiangxi SovietWSino-Tibetan WarWThird encirclement campaign against the Jiangxi SovietWTientsin Incident (1931)WWanpaoshan Incident