♤ February 1961: China refuses to discuss the Sino-Bhutanese and Sino-Sikkimese boundary disputes and further occupies 12,000 square miles in the western sector of the Sino- Indian border.

♤ 15-18 November 1962: A massive Chinese attack on the eastern front, Tawang, Walong in the western sector over run, Rezang La and the Chushul airport shelled. Chinese troops capture Bomdila in the NEFA region

♤ 21 November 1962: China declares a unilateral ceasefire along the entire border and announces withdrawal of its troops to position 20km behind the LAC.

♤ 8 December 1962: China sends a note signed by Zhou Enlai to India reiterating the three- point ceasefire formula.

o Both parties would respect the Line of Actual Control,

o the armed forces would withdraw 20km from this line and;

o talks between the prime-ministers of both countries to seek a friendly settlement.

♤ India accepts and later on 10 December endorses Colombo proposals.

♤ 2 March 1963: China and Pakistan sign a boundary settlement in Beijing between Kashmir and Xinjiang where Pakistan ceded 5080 sq. km of Pakistan occupied Kashmir territory.

♤ 27 August 1965: China accuses India of crossing the Sikkim-China boundary.

♤ 30 November 1965: Chinese troops intrude into north Sikkim and NEFA once again.

♤ 1986: Differences surface over the precise limits of the McMahon Line in the Sumdorung Chu area of Arunachal Pradesh.

♤ 8 December 1986: Beijing express strong condemnation over the establishment of Arunachal Pradesh as a full fledged State of the Indian Union.

♤ December1988: Prime Minister Rajiv Gandhi visits China. Agreement to set up a Joint Working Group on Boundary question and a Joint Group on Economic Relations, Trade, Science and Technology signed.

♤ December 1991: Chinese premier Li Peng visits India after a gap of 31 years, pledges to resolve the boundary question through friendly consultations.

♤ September 1993: Prime Minister P.V. Narasimha Rao visits China, signs agreement on Border Peace and Tranquility and the setting up of the India-China Expert Group of Diplomatic and Military Officers to assist the work in Joint Working Group.

♤ 1994: Vice-President K R Narayanan visits China.

♤ August 1995: India and China agree to pull back their troops on the Sumdorong Chu Valley in the eastern sector.