Sino-Soviet border conflict happened on 1969-09-11.

Ussr military victory. Chinese strategic victory in which marked the sino-soviet split and the start of Sino-US relations.

The Sino-Soviet border issue was referred to by the Chinese for the first time in March of 1963. Actually, their common border became an issue as early as 1958. At that time both sides considered it a minor issue.

Red China-Soviet Union relationships, often involved border disputes during the 1960's.

Sino-Soviet Pact