Some of the highs and lows in relations between India and Pakistan
1947 - Britain divides its Indian empire into secular but mainly Hindu India and Muslim Pakistan, triggering one of the greatest and bloodiest migrations of modern history.
1947/48 - India and Pakistan go to their first war over the disputed Himalayan region of Kashmir. The war ended with a U.N.-ordered ceasefire and resolution seeking a plebiscite for the people of Jammu and Kashmir to decide whether to become part of India or Pakistan.
1965 - India and Pakistan go to war over Kashmir. Fighting ends after United Nations calls for ceasefire.
1971 - Pakistan and India go to war a third time over East Pakistan, which became independent Bangladesh.
1972 - Pakistani Prime Minister Zulfikar Ali Bhutto and Indian prime minister Indira Gandhi sign agreement in Indian town of Simla to lay principles meant to govern relations.
1974 - India detonates its first nuclear device.
1990 - Indian army opens fire in Kashmir's summer capital Srinagar during protest against crackdown on separatism, killing 38 and spurring a revolt. India accuses Pakistan of arming and sending Islamist militants into Indian Kashmir. Pakistan denies that, saying it gives political, moral and diplomatic support to what it calls a Kashmiri freedom movement.
1998, May - India carries out five underground nuclear tests and announces plans to build a nuclear arsenal. Pakistan conducts six tests of its own in response.
1999, Feb - Indian Prime Minister Atal Behari Vajpayee makes a historic bus ride to Pakistan for summit with Pakistani counterpart Nawaz Sharif.
May - The two countries stand on the brink of their fourth war after India launches major counter-strike against Pakistani intruders dug in on mountains in Kargil in Indian Kashmir.
2000,July - Summit between Pakistani leader and army chief General Pervez Musharraf and Vajpayee in the Indian city of Agra ends in failure.
2001,Dec - Militants attack Indian parliament. Fourteen people, including the five assailants, are killed. India blames Pakistan-based Kashmiri separatist groups Lashkar-e-Taiba and Jaish-e-Mohammad and demands action against them. Hundreds of thousands of soldiers confront each other on the border.
2003 - Pakistan announces ceasefire along the Line of Control, the de facto border in Kashmir. India welcomes the move.
2004 - The two countries launch a peace process that brings an improvement in diplomatic, sporting and trade links but no progress on Kashmir. Peace process comes under strain from occasional bomb attacks in India.
2008,July - India says Pakistan's ISI intelligence agency was behind a bomb attack on the Indian embassy in Kabul that killed 58 people.
Nov - Mumbai attacks bring tension to its highest level since since the weeks following the December 2001 attack on India's parliament.
1947 - Britain divides its Indian empire into secular but mainly Hindu India and Muslim Pakistan, triggering one of the greatest and bloodiest migrations of modern history.
1947/48 - India and Pakistan go to their first war over the disputed Himalayan region of Kashmir. The war ended with a U.N.-ordered ceasefire and resolution seeking a plebiscite for the people of Jammu and Kashmir to decide whether to become part of India or Pakistan.
1965 - India and Pakistan go to war over Kashmir. Fighting ends after United Nations calls for ceasefire.
1971 - Pakistan and India go to war a third time over East Pakistan, which became independent Bangladesh.
1972 - Pakistani Prime Minister Zulfikar Ali Bhutto and Indian prime minister Indira Gandhi sign agreement in Indian town of Simla to lay principles meant to govern relations.
1974 - India detonates its first nuclear device.
1990 - Indian army opens fire in Kashmir's summer capital Srinagar during protest against crackdown on separatism, killing 38 and spurring a revolt. India accuses Pakistan of arming and sending Islamist militants into Indian Kashmir. Pakistan denies that, saying it gives political, moral and diplomatic support to what it calls a Kashmiri freedom movement.
1998, May - India carries out five underground nuclear tests and announces plans to build a nuclear arsenal. Pakistan conducts six tests of its own in response.
1999, Feb - Indian Prime Minister Atal Behari Vajpayee makes a historic bus ride to Pakistan for summit with Pakistani counterpart Nawaz Sharif.
May - The two countries stand on the brink of their fourth war after India launches major counter-strike against Pakistani intruders dug in on mountains in Kargil in Indian Kashmir.
2000,July - Summit between Pakistani leader and army chief General Pervez Musharraf and Vajpayee in the Indian city of Agra ends in failure.
2001,Dec - Militants attack Indian parliament. Fourteen people, including the five assailants, are killed. India blames Pakistan-based Kashmiri separatist groups Lashkar-e-Taiba and Jaish-e-Mohammad and demands action against them. Hundreds of thousands of soldiers confront each other on the border.
2003 - Pakistan announces ceasefire along the Line of Control, the de facto border in Kashmir. India welcomes the move.
2004 - The two countries launch a peace process that brings an improvement in diplomatic, sporting and trade links but no progress on Kashmir. Peace process comes under strain from occasional bomb attacks in India.
2008,July - India says Pakistan's ISI intelligence agency was behind a bomb attack on the Indian embassy in Kabul that killed 58 people.
Nov - Mumbai attacks bring tension to its highest level since since the weeks following the December 2001 attack on India's parliament.