Border war between India and China, ending in Chinese military victory and unilateral ceasefire.
Nathu La clash on border between China and the Indian protectorate of Sikkim, inflicting hundreds of casualties.
Four Indian soldiers killed in skirmish in Arunachal Pradesh – the last deaths on LAC until 2020.
India and China reappoint ambassadors for the first time since 1962 war.
Indian Foreign Minister visits China for the first time since 1962 war.
India and China begin bilateral talks regarding the border dispute.
Responding to a new Chinese presence, Indian Army deploys to Sumdorung Chu, followed by general mobilisation along LAC.
In midst of Sumdorung Chu stand-off, India grants statehood to the disputed territory of Arunachal Pradesh
Following Prime Minister Raiv Gandhi’s visit to Beijing, India and China establish joint working group for boundary negotiations.
India and China sign their first agreement on maintaining “Peace and Tranquillity” on the LAC; followed by other agreements on confidence-building measures in 1996, 2005, and 2013.
India and China establish special representative mechanism to discuss boundary issues.
Special representatives establish the Working Mechanism for Consultation and Coordination, to institutionalise routine talks.
Depsang stand-off: Chinese troops encamp in Indian-controlled territory; disengagement after India agrees to dismantle some infrastructure.
Chumar and Demchok stand-off: Indian troops impede Chinese road-building; disengagement after India agrees to dismantle some infrastructure.
Doklam stand-off: Indian forces impede construction of Chinese road into territory claimed by Bhutan; Chinese forces withdraw after 73 days.
Prime Minister Modi and President Xi meet in Wuhan, the first of two informal summits, designed to ease bilateral tensions.
April: India completes construction of the Darbuk – Shyok – Daulat Beg Oldi (DSDBO) Road in eastern Ladakh, allowing year-round ground access to remote northern military base.
August: India abrogates Jammu and Kashmir’s autonomous status, and makes Jammu & Kashmir, and Ladakh, respectively, two separate Union Territories.
May: Ladakh crisis begins with near-simultaneous Chinese incursions at several points in Ladakh, including Pangong Tso and Galwan valley.
June: Indian and Chinese forces, while disengaging, clash in Galwan valley, killing 20 Indian soldiers – first deaths since 1975.
August: Indian forces occupy several tactically-valuable peaks in Kailash range, near Chushul.
September: Indian and Chinese foreign ministers meet in Moscow, agree in-principle to not reinforce positions and begin disengagement.
February: announcement of phased troop disengagement, beginning with Pangong Tso.
March: first-ever leaders’ summit of the Quad