When did was the cease fire of the event that started when the Kwantung Army of the Empire of Japan invaded Manchuria?
Tanggu Truce The Tanggu Truce, sometimes called the Tangku Truce (Japanese: 塘沽協定 , Hepburn: Tōko kyōtei ) , was a cease-fire signed between Republic of China and Empire of Japan in Tanggu District, Tianjin on May 31, 1933, formally ending the Japanese invasion of Manchuria which had begun two years earlier.
1939–40 Winter Offensive The 1939–40 Winter Offensive was one of the major engagements between the National Revolutionary Army and Imperial Japanese Army during the Second Sino-Japanese War, in which Chinese forces launched their first major counter-offensive on multiple fronts. Although this offensive failed to achieve its original objectives, some studies have shown that it came as a heavy blow to the Japanese forces, as well as a massive shock to the Japanese military command, which did not expect the Chinese forces to be able to launch an offensive operation on such a large scale.