Which year saw the founding of Communist China?

The founding of Communist China took place in 1949, marking a significant turning point in Chinese history. This event is often associated with the establishment of the People's Republic of China on October 1, 1949, by the Chinese Communist Party (CCP) under the leadership of Mao Zedong. After years of civil war between the CCP and the Nationalist government (Kuomintang), the CCP emerged victorious, prompting the Nationalists to retreat to Taiwan.

The year 1949 is pivotal because it signified the official recognition of Communist governance in mainland China and led to sweeping political, social, and economic changes across the nation. Subsequent policies and reforms implemented by the Communist Party reshaped China's development trajectory and set the stage for its future role in global affairs. The other years mentioned did not correspond to the establishment of a communist regime, as they either predate the significant events leading to the founding or occurred after it, making 1949 the correct choice in this context.