Sino-Soviet Split and 1969 Border Clashes (1956–1969)

1. Khrushchev’s “Secret Speech” shakes communist unity

   Feb 25, 1956Labels: Nikita Khrushchev, Soviet CPSU

   • Britannica

2. Second Taiwan Strait Crisis exposes strategic rifts

   Aug 23, 1958Labels: Quemoy, Taiwan Strait

   • Britannica

3. Soviet Union ends nuclear aid to China

   Jun 20, 1959Labels: Soviet Union, Chinese nuclear

   • Britannica

4. Lushan Conference purges Peng Dehuai amid tensions

   Jul 2, 1959Labels: Peng Dehuai, Lushan Conference

   • Britannica

5. Bucharest conference brings the dispute into the open

   Jun 24, 1960Labels: Bucharest Conference, Communist parties

   • Bucharest Conf

6. Soviet experts withdrawn from China, projects disrupted

   Jul 1, 1960Labels: Soviet advisers, Sino-Soviet projects

   • Britannica

7. Moscow meeting formalizes competing communist lines

   Nov 10, 1960Labels: Moscow Meeting, Communist bloc

   • 1960 Meeting

8. China issues March 1963 party letter to Moscow

   Mar 9, 1963Labels: CCP Letter, CPSU

   • Marxists

9. “Proposal” letter lays out China’s challenge to Soviet line

   Jun 14, 1963Labels: June Proposal, CCP Central

   • Marxists

10. Khrushchev removed, but relations remain hostile

    Oct 14, 1964Labels: Nikita Khrushchev, Leonid Brezhnev

    • Britannica
    • HISTORY

11. China’s first nuclear test underscores strategic independence

    Oct 16, 1964Labels: China, Lop Nur

    • CTBTO
    • Physics Today

12. Zhenbao (Damansky) Island clash turns dispute into battle

    Mar 2, 1969Labels: Zhenbao Island, People's Liberation

    • Britannica
    • Border Conflict

13. Second Zhenbao battle escalates weapons and casualties

    Mar 15, 1969Labels: Zhenbao battle, Soviet forces

    • Border Conflict
    • Russia Beyond

14. Zhalanashkol (Tielieketi) clash widens fighting to the west

    Aug 13, 1969Labels: Zhalanashkol, Tielieketi

    • Zhalanashkol
    • Tielieketi

15. Kosygin–Zhou airport meeting signals move toward de-escalation

    Sep 11, 1969Labels: Alexei Kosygin, Zhou Enlai

    • US Historian