Since the 20th century, what three huge historical changes have occurred on the road ahead for the Chinese people?

1) Three great changes: the first was the Revolution of 1911, the second was the founding of the People’s Republic of China and the establishment of the socialist system, and the third was reform and opening up, in order to realize socialism strive for modernization. Three great men: Sun Yat-sen, Mao Zedong, and Deng Xiaoping. (3 points)

(2) ① The Revolution of 1911 overthrew the autocratic monarchy that had ruled China for thousands of years, making the concept of democracy, democracy and harmony deeply rooted in the hearts of the people; it promoted the development of Chinese national capitalism, ② The founding of the People's Republic of China marked the birth of New China; the completion of the three major transformations achieved the transformation of the ownership of the means of production and the transformation of the nature of national power. The completion of the "First Five-Year Plan" ahead of schedule laid a preliminary foundation for socialist industrialization. ③After the Third Plenary Session of the Eleventh Central Committee, China implemented reform and opening up, and carried out reforms in economic, political, educational and other systems and concepts and culture centered on economic construction, which injected new vitality into the once hesitant socialist construction and comprehensive national strength. The international status has been significantly improved. The activated productive forces have shown the Chinese people and the world the huge development potential of China's modernization. (5 points)

(3) Sun Yat-sen: led the people to overthrow the feudal monarchy and actively devoted himself to industry to save the country. Mao Zedong: overthrew three mountains and established New China; led the people to completely complete the tasks of the democratic revolution and restored the national economy; implemented the "1st Five-Year Plan", laid the preliminary foundation for socialist industrialization, and basically completed the transformation of private ownership of the means of production; Convene a National People's Congress and formulate a socialist constitution. Deng Xiaoping: The Third Plenary Session of the Eleventh Central Committee made the great decision to shift the focus of the party and the country to economic construction and implement reform and opening up; the Thirteenth National Congress proposed the theory of the primary stage of socialism and formulated the basic principles of the party in the primary stage of socialism. line; proposes to solve the issues of Hong Kong, Macao and Taiwan according to "one country, two systems". (Or answer: Creatively integrate socialism with the market economy; form an operating pattern in which public ownership is the mainstay and multiple economic components develop simultaneously; vigorously promote reforms to form an open model for China's modernization, etc.) (5 points)

(4) Sun Yat-sen followed the example of Europe and the United States in "taking the American way", Mao Zedong "went the Russian way" to "going his own way", and Deng Xiaoping proposed "building socialism with Chinese characteristics".