The Shanghai Communiqué was a joint communiqué between the USA and the PRC signed during President Nixon's visit to China in February 1972.
In the landmark document, the United States "acknowledges that all Chinese on either side of the Taiwan Strait maintain there is but one China and that Taiwan is a part of China, [and] reaffirms its interest in a peaceful settlement of the Taiwan question by the Chinese themselves."1
Such communiqués are technically not considered legally binding by US constitutional law, though it does lucidly express the US's diplomatic ambitions at the time.
