一　中俄(苏)两国政治经贸关系发展的简要历程从新中国成立到60年代,是中苏政治经贸关系大发展的时期。政治上,1949年10月1日中华人民共和国宣告成立,次日,中苏两国正式建立了外交关系,苏联成为世界上第一个与我国建立外交关系的国家;12月9日至次年2月24日,毛泽东主席访问苏联, The brief history of the development of the political, economic and trade relations between China, Russia and the Soviet Union (SSP) The period from the founding of new China to the 60’s is a period of great development of political, economic and trade relations between China and the Soviet Union. Politically, the People’s Republic of China was proclaimed on October 1, 1949. On the very next day, the two countries formally established diplomatic relations and the Soviet Union became the first country in the world to establish diplomatic relations with China. From December 9 to the following year, On February 24, Chairman Mao Zedong visited the Soviet Union,