Terrorist attacks on U.S. strengthen alliance with Pakistan
After the United States is hit by terrorist attacks, Pakistan became a major ally to the U.S. campaign against terrorism and its effort to oust Taliban and al-Qaida fighters from neighboring Afghanistan.

Indian parliament attacked by terrorists
Following a Dec. 13 attack on the Indian parliament, India orders Pakistan to turn over 20 suspected terrorists believed to be hiding in the Islamic nation. Pakistani officials arrest at least 50 members of two Pakistan-based Kashmiri separatist groups, Jaish-e-Mohammad and Lashkar-e-Tayyiba.

India's Vajpayee offers to begin peace talks
India Prime Minister Atal Behari Vajpayee offers Pakistan the "hand of friendship," signifying his nation was prepared to begin peace talks. Although Vajpayee later lost re-election, his speech spurred a process of dialogue between the two nations.

India and Pakistan sign nuclear test ban
India and Pakistan sign a ban on nuclear weapons testing and establish a hotline for the purpose of warning against nuclear threats.

India partially withdraws troops from Kashmir border
India's Prime Minister Manmohan Singh orders the withdrawal of approximately 1,000 troops from the Kashmir border in a show of good faith toward Pakistan.

Bus service across Kashmir opens
A bus service opens between the Indian and Pakistani border in Kashmir, reuniting people divided for over 50 years. Though the bus service runs infrequently, it is seen as a watershed moment in the peace process.

India and Pakistan sign security accords
India and Pakistan agree to provide notification of any future surface-to-surface ballistic missile testing. In the accords, the two nations also sign off on a joint communication system between their coast guards.

Terrorist attacks on U.S. Strengthen alliance with Pakistan
After the United States is hit by terrorist attacks, Pakistan became a major ally to the U.S. Campaign against terrorism and its effort to oust Taliban and al-Qaida fighters from neighboring Afghanistan.

Terrorist attacks on U.S. Strengthen alliance with Pakistan
After the United States is hit by terrorist attacks, Pakistan became a major ally to the U.S. campaign against terrorism and its effort to oust Taliban and al-Qaida fighters from neighboring Afghanistan.

blames Mumbai train bombings on Pakistan-based terrorists
A series of train bombings in Mumbai, India, kill 186 and wound more than 1,000. India blames the attacks on the Pakistan-based Lashkar-e-Tayyiba militants, but Pakistan denies any involvement.

India and Pakistan agree to fight terrorism
At a summit in Cuba, leaders from India and Pakistan announce a new policy of cooperation in the fight against terrorism.
Pakistan also signs the North Waziristan accord with pro-Taliban militants on the border with Afghanistan in an effort to end years of fighting in the tribal region.

Terrorists target travelers and tourists in Pakistan
Several bombings throughout Pakistan, including incidents at the Marriott Hotel in Islamabad and the international airport, killed hundreds of people. Bombings on a train going from New Delhi to Lahore kill 68 passengers, most of whom are Pakistani.

Sources: NewsHour, BBC, CNN