The Northern Expedition was from 1926 to 1928. In the Republic of China, the Guangzhou National Government and the National Revolutionary Army led by it went north to crusade against the Beiyang Government in Beijing and various warlords under its leadership, which made the Republic of China formally complete the unified war.
At that time, the Beiyang government was in the hands of Feng warlord headed by Zhang. Wu, a direct warlord, became a vassal, occupying the three provinces of Hubei, Henan, Anhui and Shaanxi, controlling the Beijing-Han Railway, and Sun, a rising star of the direct warlord, occupied the middle and lower reaches of the Yangtze River.
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Without the success of the northern expedition, the national government did not realize the political unity of the whole country. At the beginning of Japan's full-scale invasion of China, the northern warlords fought their own battles and could not move towards common resistance against the Japanese aggressors. It is hard to say whether China can persist in the eight-year anti-Japanese war for that long and whether it can maintain the nature of an independent country. Therefore, the Northern Expedition has great historical significance and achievements in the modern history of China.
The Northern Expedition was conducted on the basis of Sino-American cooperation. In the first stage of the war, the soldiers of both sides cooperated closely and fought together, leaving many touching stories. Historical facts have proved that the combination of the two parties in the country will benefit both parties, and the division will lead to two losses. These experiences and lessons are still of practical significance for us to realize the great cause of rejuvenating China and reunifying the motherland today.