The Soviet Union minister of foreign affairs in a statement called the treaty a "rude violation of international agreements, sovereignty, and the territorial integrity of the PRC.

When in September 1954 bombardment of the Taiwan-adjacent islands provoked the first of the three Matszu-Amoi crises, the Soviet Union in Nikita Khrushchev's statement officially announced its support of the PRC.

Not long before the crisis in 1954, ROC Navy captured a Soviet civilian oil tanker "Tuapse" in the high sea of Bashi Channel, which was on course from Odessa to Vladivostok.

[4][5] The Communist Party of the Soviet Union called for the Ten Nations Summit in New Delhi to discuss the issue on 27 September 1958 as one of the precursors of the later Sino-Soviet split.

[citation needed] Unofficial contact between the USSR and Taiwan started at the end of the 1960s such as the visits between Victor Louis, Chiang Ching-kuo and James Wei,[6][7]: 759  after the tendency toward a US-PRC rapprochement had become obvious.

The Journal reported that Putin had asked Musk to avoid activating the Starlink satellite system over Taiwan, to appease Chinese Communist Party general secretary Xi Jinping.