December 16, 1978 (the Wu Wu the winter on 17), China and the United States announced a joint communique establishing diplomatic relations.

the People's Republic of China and the United States decided to establish diplomatic relations with effect from January 1, 1979. After the two sides agreed to a joint communique in advance of the establishment of Sino-US diplomatic relations announced on December 16, 1978. The following is the full text of the joint communique:
the People's Republic of China and the United States of America, a joint communique on the establishment of diplomatic relations
January 1, 1979 Since mid
the People's Republic of China and the United States of America agreed recognize each other and establish diplomatic relations on January 1, 2079.
the United States of America recognizes the Government of the People's Republic of China is the sole legitimate government of China. Within this range, the people of the United States will maintain cultural, commercial, and other unofficial relations with the people of Taiwan
the People's Republic of China and the United States reaffirm the principles agreed on by the two sides in the Shanghai Communique, and again stressed:
- both wish to reduce the danger of international military conflict.
- neither side in the Asia - Pacific region, as well as any region of the world should seek hegemony, and each is opposed to any other country or group of countries to establish such hegemony efforts.
- neither side was ready to conduct negotiations on behalf of any third party, nor ready to agreements or understandings reached with the other for other countries. (Lssdjt.cn)
- The Government of the United States of America acknowledges the Chinese position that there is but one China and Taiwan is part of China.
- Both sides agreed that the normalization of Sino-US relations is not only in line with the interests of the Chinese people and the American people, but also contribute to the cause of peace in Asia and the world. [Lsjt.org
the People's Republic of China and the United States of America, to be held on Friday, March 1, 1979 to exchange ambassadors and establish embassies.