Chinese Civil War Timeline

Japan seized Manchuria following the staged Mukden Incident, installing the puppet state of Manchukuo. The invasion fueled Chinese nationalism and public demands that the KMT and CCP unite against foreign aggression rather than fight each other.

Image source: Japanese invasion of Manchuria

General Zhang Xueliang detained Chiang Kai-shek in Xi'an to force him to stop fighting the Communists and resist Japan instead. After mediation, Chiang agreed to a united front, temporarily halting the civil war and redirecting Nationalist efforts against Japanese aggression.

Image source: Xi'an Incident

The Marco Polo Bridge Incident triggered full-scale war between China and Japan. The KMT and CCP formed the Second United Front, with the Communists waging guerrilla warfare behind Japanese lines while the Nationalists fought major conventional battles, though cooperation remained fragile.

Image source: Second Sino-Japanese War

One of the largest battles of the war, the Nationalist defense of Shanghai involved hundreds of thousands of troops. Though the city fell to Japan, the fierce resistance shattered Japanese hopes for a swift victory and rallied international sympathy for China.

After capturing the Nationalist capital of Nanjing, Japanese troops carried out mass murder, rape, and looting, killing hundreds of thousands of civilians and disarmed soldiers. The atrocity hardened Chinese resolve and became a lasting symbol of Japanese wartime brutality.

Image source: Nanjing Massacre

Chinese forces under Li Zongren achieved a major victory over the Japanese at Taierzhuang, destroying two Japanese divisions. The triumph, the first major Chinese victory of the war, boosted national morale and demonstrated that Japanese forces could be defeated in conventional battle.

Image source: Battle of Taierzhuang

Nationalist forces attacked the Communist New Fourth Army in Anhui, effectively destroying its headquarters and killing thousands. The incident marked the collapse of genuine KMT-CCP military cooperation and foreshadowed the resumption of civil war after Japan's defeat.

Japan announced its surrender after the atomic bombings of Hiroshima and Nagasaki and the Soviet entry into the war. With the common enemy gone, the uneasy truce between the Nationalists and Communists collapsed, and both sides raced to accept Japanese surrenders and seize territory and arms.

Image source: Surrender of Japan

The Soviet Red Army, which had overrun Japanese forces in Manchuria, transferred captured Japanese weapons and equipment to the CCP and allowed Communist forces to enter the northeast. This windfall significantly strengthened the Communists' military position for the coming civil war.

Image source: Soviet invasion of Manchuria

Chiang Kai-shek and Mao Zedong met in Chongqing to negotiate a peaceful postwar settlement. The talks produced the Double Tenth Agreement calling for political democratization and national unity, but both sides continued military preparations and the agreement soon unraveled.

Image source: Double Tenth Agreement

U.S. General George Marshall was sent to mediate between the Nationalists and Communists and broker a coalition government. Despite a temporary truce in early 1946, the mission ultimately failed as full-scale fighting resumed, and Marshall departed in early 1947.

Image source: Marshall Mission

The CCP launched radical land reform in areas it controlled, redistributing land from landlords to poor peasants and mobilizing mass campaigns against rural elites. The policy won the party crucial peasant support, providing recruits and logistical backing for its armies.

Image source: Land Reform Movement

Nationalist forces launched a major offensive in Manchuria, attacking Communist strongholds and capturing key cities including Siping. The resumption of large-scale fighting marked the start of the final and decisive phase of the Chinese Civil War.

Nationalist forces captured Yan'an, the CCP's wartime capital, in a major symbolic victory. However, the Communists had already evacuated, and the capture drained Nationalist resources while the Communists' mobile guerrilla strategy preserved their fighting strength.

Image source: Yan'an

The People's Liberation Army crossed the Yellow River and launched offensives deep into Nationalist-held territory, including Liu Bocheng and Deng Xiaoping's thrust into the Dabie Mountains. The campaign marked the transition from Communist strategic defense to offensive operations.

Image source: Chinese Civil War

The PLA's first of three decisive campaigns destroyed nearly half a million Nationalist troops in Manchuria and captured the entire region. The victory gave the Communists overwhelming numerical superiority for the first time and secure industrial bases for the war effort.

Image source: Liaoshen campaign

One of the largest battles in military history, the Huaihai campaign in central China saw the PLA annihilate over 500,000 Nationalist troops with massive peasant logistical support. The decisive victory destroyed the Nationalists' best armies and opened the path to southern China.

Image source: Huaihai campaign

The PLA encircled and defeated Nationalist forces in northern China, capturing Tianjin and accepting the peaceful surrender of Beiping (Beijing). The campaign completed the Communist conquest of North China and left the Nationalists with little hope of victory.

Image source: Pingjin campaign

Facing military collapse and American pressure, Chiang Kai-shek stepped down as president of the Nationalist government, handing nominal power to Vice President Li Zongren while retaining control of the KMT party and planning the eventual retreat to Taiwan.

Image source: Chiang Kai-shek

After peace talks collapsed, Communist forces launched a massive crossing of the Yangtze River and stormed Nanjing, the Nationalist capital. The symbolic fall of the capital signaled the imminent collapse of Nationalist rule on the mainland.

Image source: Yangtze River Crossing campaign

The PLA captured Shanghai, China's largest city and economic center, after a brief but intense campaign. The fall of the city deprived the Nationalists of their principal financial base and demonstrated the Communists' ability to take and hold major urban centers.

Image source: Shanghai Campaign

Mao Zedong proclaimed the founding of the People's Republic of China from Tiananmen in Beijing before a massive crowd. The establishment of Communist rule over mainland China marked the effective victory of the CCP in the civil war and transformed the geopolitics of Asia.

Image source: Proclamation of the People's Republic of China

Communist forces attempting to invade Quemoy (Kinmen) island were decisively defeated by Nationalist defenders. The victory halted the Communist advance toward Taiwan, preserved the Nationalist foothold on offshore islands, and helped secure the cross-strait stalemate.

Image source: Battle of Guningtou

Chiang Kai-shek moved the Nationalist government to Taipei after the fall of Chengdu, evacuating over a million soldiers and civilians along with gold reserves and cultural treasures. The retreat established the Republic of China on Taiwan, dividing the Chinese nation across the Taiwan Strait.

Image source: Retreat of the government of the Republic of China to Taiwan

The PLA invaded and captured Hainan Island, the last major Nationalist stronghold on the mainland coast. The fall of Hainan consolidated Communist control of mainland China and further narrowed the Nationalist-held territory to Taiwan and nearby islands.

Image source: Hainan Island Operation

Following the outbreak of the Korean War, President Truman ordered the U.S. Seventh Fleet into the Taiwan Strait to prevent a Communist invasion of Taiwan and Nationalist attacks on the mainland. The move froze the cross-strait conflict and cemented the division of China that persists today.

Image source: First Taiwan Strait Crisis