January – George Marshall leaves China, ending his mediation between the Nationalists and Communists.
January - George Marshall sworn in as Secretary of State in the United States.
February – Police confiscation of contraband sparks massive protests in Taiwan. The subsequent crackdown causes a rift between mainland Chinese and native Taiwanese that would lead to a Taiwan independence movement.
March - T.V. Soong resigns as prime minister due to disagreements with Chiang Kai-shek on the civil war and the country's financial situation.
April - Nationalist forces suffer heavy losses in Shandong province.
May – Demonstrations against hunger and civil war spread to all urban areas.
May - Communists begin their counteroffensive in Manchuria.
May – United States lifts the arms embargo against Nationalist forces.
July – Nationalist government orders general mobilization against the Communists.
August – Trade agreements reached between the Chinese Communist Party and the Soviet Union.
September – Large-scale offensives by the Communists in Manchuria.
October – The Democratic League is consider an accomplice of the Communists and is banned.
December - Implementation of the new constitution.