Army soldiers walk outside the Bacha Khan University in Charsadda, Pakistan. (Reuters Photo)
Islamabad, Pakistan:
Gunmen attacked a university in the northwestern Pakistani town of Charsadda today and police said at least 21 people were killed.
The Pakistani Taliban, whose insurgency has killed thousands since it erupted in 2007, claimed responsibility.
Here is a list of major attacks by them and others since 2007:
2007
October 18: Bomb attacks targeting former prime minister Benazir Bhutto kill 139 people in Karachi as she returns to Pakistan for the first time in eight years. She was later killed in another gun and suicide attack on December 27.
2008
August 21: Twin suicide attacks kill 64 people outside Pakistan's main arms factory in Wah near Islamabad.
September 20: Sixty people are killed when a suicide truck bomb brings down part of the five-star Marriott hotel in Islamabad.
2009
October 28: A car bomb destroys a market in the northwestern city of Peshawar, killing 125 people.
2010
January 1: A suicide car bomb kills 101 people at a village volleyball game in the northwestern district of Bannu.
March 12: Twin suicide attacks on the military in Lahore kill 57.
May 28: Gun and suicide attackers storm mosques belonging to the Ahmadi religious minority in Lahore, killing 82 people.
July 9: A suicide bomber blows himself up in a busy market in the northwestern Mohmand tribal district, killing 105 people.
September 3: A suicide attack kills 59 at a Shiite Muslim rally in the southwestern city of Quetta.
November 5: A suicide bomber kills 68 people during Friday prayers in the northwest's Darra Adam Khel area.
2011
April 3: Fifty die after two suicide bombers attack a Sufi shrine in the central town of Dera Ghazi Khan.
May 13: Two suicide bombers kill at least 98 people outside a police cadet training centre in Charsadda.
August 19: A suicide bomber hits a mosque during Friday prayers in the tribal district of Khyber, killing at least 43.
2012
January 11: Thirty-five die when a remote-controlled bomb detonates in a market in the northwestern tribal areas.
August 16: Gunmen drag 20 Shiite Muslims off a bus and shoot them in the northwestern district of Mansehra.
2013
January 10: A double suicide attack on a snooker club kills 92 in a Shiite Hazara neighbourhood of Quetta.
February 16: A bomb at a market at Hazara Town, a Shiite Hazara neighbourhood in the suburbs of Quetta, kills 89.
March 3: A car bomb explodes in a Shiite Muslim neighbourhood in Karachi, killing 45.
July 27: Twin explosions at a busy marketplace in northwest Pakistan kill 41.
August 9: A suicide bomber targets the funeral of a senior police officer in Quetta, killing 38.
September 22: Eighty-two people die when two suicide bombers attack a church in Peshawar after a Sunday service.
September 29: A car bomb in a busy market area in Peshawar kills 42.
2014
January 19: A bomb rips through a military convoy in the northwestern city of Bannu, killing 20 soldiers.
January 21: A bomb on a bus kills 24 Shiite pilgrims in the southwestern province of Balochistan.
June 10: Ten Taliban militants lay siege to Karachi airport, killing 27 people.
November 2: Fifty-five are killed by a suicide bomber at the daily closing ceremony at the main Pakistan-India border crossing.
December 16: Taliban insurgents storm an army-run school in Peshawar, killing at least 154 people including 135 children.
2015
January 30: 62 people are killed as a suicide bomber hits a Shiite mosque in the Shikarpur district.
February 13: Militants attack a Shiite mosque in Peshawar, killing 22.
May 13: Forty-three Shiite Muslims are killed when gunmen open fire on their bus in Karachi.
September 18: The Pakistani Taliban attack an air force base near Peshawar and kill at least 29 people, most of them servicemen.
October 23: A suspected suicide blast which targeted Shiite Muslims in the southern city of Jacobabad kills 24.
December 13: A bomb rips through a crowded bazaar in a mainly Shiite area of Pakistan's northwestern tribal region, killing at least 23.
December 29: A Taliban suicide bomber on a motorcycle kills 26 in the northwestern town of Mardan.
2016
January 20: Taliban gunmen attack a university in Charsadda, killing at least 21.
The Pakistani Taliban, whose insurgency has killed thousands since it erupted in 2007, claimed responsibility.
Here is a list of major attacks by them and others since 2007:
2007
October 18: Bomb attacks targeting former prime minister Benazir Bhutto kill 139 people in Karachi as she returns to Pakistan for the first time in eight years. She was later killed in another gun and suicide attack on December 27.
2008
August 21: Twin suicide attacks kill 64 people outside Pakistan's main arms factory in Wah near Islamabad.
September 20: Sixty people are killed when a suicide truck bomb brings down part of the five-star Marriott hotel in Islamabad.
2009
October 28: A car bomb destroys a market in the northwestern city of Peshawar, killing 125 people.
2010
January 1: A suicide car bomb kills 101 people at a village volleyball game in the northwestern district of Bannu.
March 12: Twin suicide attacks on the military in Lahore kill 57.
May 28: Gun and suicide attackers storm mosques belonging to the Ahmadi religious minority in Lahore, killing 82 people.
July 9: A suicide bomber blows himself up in a busy market in the northwestern Mohmand tribal district, killing 105 people.
September 3: A suicide attack kills 59 at a Shiite Muslim rally in the southwestern city of Quetta.
November 5: A suicide bomber kills 68 people during Friday prayers in the northwest's Darra Adam Khel area.
2011
April 3: Fifty die after two suicide bombers attack a Sufi shrine in the central town of Dera Ghazi Khan.
May 13: Two suicide bombers kill at least 98 people outside a police cadet training centre in Charsadda.
August 19: A suicide bomber hits a mosque during Friday prayers in the tribal district of Khyber, killing at least 43.
2012
January 11: Thirty-five die when a remote-controlled bomb detonates in a market in the northwestern tribal areas.
August 16: Gunmen drag 20 Shiite Muslims off a bus and shoot them in the northwestern district of Mansehra.
2013
January 10: A double suicide attack on a snooker club kills 92 in a Shiite Hazara neighbourhood of Quetta.
February 16: A bomb at a market at Hazara Town, a Shiite Hazara neighbourhood in the suburbs of Quetta, kills 89.
March 3: A car bomb explodes in a Shiite Muslim neighbourhood in Karachi, killing 45.
July 27: Twin explosions at a busy marketplace in northwest Pakistan kill 41.
August 9: A suicide bomber targets the funeral of a senior police officer in Quetta, killing 38.
September 22: Eighty-two people die when two suicide bombers attack a church in Peshawar after a Sunday service.
September 29: A car bomb in a busy market area in Peshawar kills 42.
2014
January 19: A bomb rips through a military convoy in the northwestern city of Bannu, killing 20 soldiers.
January 21: A bomb on a bus kills 24 Shiite pilgrims in the southwestern province of Balochistan.
June 10: Ten Taliban militants lay siege to Karachi airport, killing 27 people.
November 2: Fifty-five are killed by a suicide bomber at the daily closing ceremony at the main Pakistan-India border crossing.
December 16: Taliban insurgents storm an army-run school in Peshawar, killing at least 154 people including 135 children.
2015
January 30: 62 people are killed as a suicide bomber hits a Shiite mosque in the Shikarpur district.
February 13: Militants attack a Shiite mosque in Peshawar, killing 22.
May 13: Forty-three Shiite Muslims are killed when gunmen open fire on their bus in Karachi.
September 18: The Pakistani Taliban attack an air force base near Peshawar and kill at least 29 people, most of them servicemen.
October 23: A suspected suicide blast which targeted Shiite Muslims in the southern city of Jacobabad kills 24.
December 13: A bomb rips through a crowded bazaar in a mainly Shiite area of Pakistan's northwestern tribal region, killing at least 23.
December 29: A Taliban suicide bomber on a motorcycle kills 26 in the northwestern town of Mardan.
2016
January 20: Taliban gunmen attack a university in Charsadda, killing at least 21.
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