Boko Haram: Major Timeline of terror

2002: Founded
2009: Hundreds killed when Maiduguri police stations stormed
2009: Boko Haram leader Mohammed Yusuf captured by army, handed to police, later found dead
Sep 2010: Freed hundreds of prisoners from Maiduguri jail
Dec 2010: Bombed Jos, killing 80 people and blamed for New Year's Eve attack on Abuja barracks
2010-2011: Dozens killed in Maiduguri shootings
May 2011: Bombed several states after president's inauguration
Jun 2011: Police HQ bombed in Abuja
Aug 2011: UN HQ bombed in Abuja
Dec 2011: Christian churches bombed on Christmas day
Jan 2012: Kano multiple bombing killing over 200 people

Timeline for Other Attacks and Related Violence

1 September 2011: A shootout between BH gunmen and soldiers in Song, Adamawa State, kills one sect members while another is injured and captured.
4 September 2011: Muslim cleric Malam Dala shot dead by two BH members outside his home in the Zinnari area of Maiduguri.
12 September 2011: Seven men, including four policemen, are killed by BH gunmen in bomb and shooting attacks on a police station and a bank in Misau, Bauchi State. The attackers rob the bank.
13 September 2011: Four soldiers shot and wounded in an ambush by BH members in Maiduguri shortly after the arrest of 15 sect members in military raids on BH hideouts in the city.
17 September 2011: Babakura Fugu, brother-in-law to slain BH leader Mohammed Yusuf, is shot dead outside his house in Maiduguri two days after attending a peace meeting with Nigeria's ex-President Olusegun Obasanjo in the city. BH denies any involvement in the incident.
1 October 2011: A butcher and his assistant are killed by BH gunmen at Baga market in Maiduguri in a targeted killing. In a separate incident, three people are killed in a shoot-out following BH bomb and shooting attacks on a military patrol vehicle delivering food to soldiers at a checkpoint in Maiduguri. All three victims are civilians.
3 October 2011: Three killed in BH attacks on Baga market in Maiduguri, Borno State. The victims included a tea-seller, a drug store owner and a passer-by.
23 Oct 2011: BH members kill a policeman and a bank security guard in bombing and shooting attacks on a police station and two banks in Saminaka, Kaduna State.
23 Oct 2011: Sect members open fire on a market in the town of Katari in Kaduna State, killing two.
25 Oct 2011: A policeman is shot dead in his house in a targeted attack by BH gunmen in Damaturu.
29 Oct 2011: BH gunmen shoot dead Muslim cleric Sheikh Ali Jana'a outside his home in the Bulabulin Ngarnam neighbourhood of Maiduguri. Jana'a is known to have provided information to security forces regarding the sect.
November 2011: BH says it will not dialogue with the government until all of its members who have been arrested are released.
2 Nov 2011: A soldier on duty is shot dead by sect members outside Maiduguri's main market.
4 Nov 2011: The motorcade of Borno State governor Kashim Shettima comes under BH bomb attack in Maiduguri on its way from the airport to the governor's residence as he returns from a trip to Abuja. Around 150 are killed in coordinated BH bombing and shooting attacks on police facilities in Damaturu and Potiskum in Yobe State. Two BH suicide-bombers blow themselves up outside the military Joint Task Force headquarters in Maiduguri in a botched suicide attack.
9 Nov 2011: BH members bomb a police station and the office of Nigeria's road safety agency in Maina village, Borno State. No one is hurt.
26 Nov 2011: Three policemen and a civilian are wounded in BH bomb and shooting attacks in Geidam, Yobe State. Six churches, a police station, a beer parlour, a shopping complex, a high court, a local council building and 11 cars are burnt in the attacks.
27 Nov 2011: A Borno State protocol officer in the office of the governor is shot dead by motorcycle-riding sect members while driving home.
4 Dec 2011: [/b]A soldier, a policeman and a civilian are killed in bomb and gun attacks on police buildings and two banks in Azare, Bauchi State. BH open fire at a wedding in Maiduguri, killing the groom and a guest.
[b]7 Dec 2011: An explosion linked to BH kills eight in the Oriyapata district of Kaduna city.
13 Dec 2011: A bomb attack on a military checkpoint by BH and resulting shooting by soldiers in Maiduguri leaves 10 dead and 30 injured.
17 Dec 2011: A shootout between sect members and policemen following a raid on the hideout of a BH sect leader in the Darmanawa area of Kano State kills seven, including three police officers. Police arrest 14 BH suspects and seize large amount of arms and bombs. Three BH members die in an accidental explosion while assembling home-made bombs in a hideout on the outskirts of Maiduguri.
19 Dec 2011: One suspected BH member dies and two others wounded in an accidental explosion while assembling a home-made bomb in a hideout in Damaturu.
22 Dec 2011: BH bombs in parts of Maiduguri kill 20. Four policemen and a civilian are killed in gun and bomb attacks on a police building in Potiskum, Yobe State. Around 100 are killed following multiple bomb and shooting attacks by BH gunmen and ensuing gun battles with troops in the Pompomari outskirts of Damaturu.
25 Dec 2011: A Christmas Day BH bomb attack on Saint Theresa Catholic Church in Madalla town near Abuja kills 42 worshippers. Three secret police (SSS) operatives and a BH bomber are killed in a suicide attack when the bomber rams his bomb-laden car into a military convoy at the gates of SSS headquarters in Damaturu. A policeman is killed in a botched BH bomb attack on a church in the Ray Field area of Jos, capital of Plateau State.
28 Dec 2011: A bombing and shooting attack by BH on a beer parlour in the town of Mubi, Adamawa State, wounds 15.
30 Dec 2011: Four Muslim worshippers are killed in a BH bomb and shooting attack targeting a military checkpoint in Maiduguri as worshippers leave a mosque after attending Friday prayers.
3 Jan 2012: BH gunmen attack a police station in the town of Birniwa in Jigawa State killing a teenage girl and wounding a police officer.
5 Jan 2012: Six worshippers are killed and 10 others wounded when BH gunmen attack a church in Gombe city.
6 Jan 2012: Eight worshippers are killed in a shooting attack on a church in Yola. BH gunmen shoot dead 17 Christian mourners in the town of Mubi in the northeastern state of Adamawa. The victims are friends and relations of one of five people killed in a BH attack on a hotel the previous day.
7 Jan 2012: Three Christian poker players are killed and seven others wounded by BH gunmen in the town of Biu.
9 Jan 2012: BH gunmen shoot dead a secret police operative along with his civilian friend as they leave a mosque in Biu, Borno State, 200km south of the state capital, Maiduguri. The president says BH has infiltrated the executive, parliamentary and judicial wings of government.
10 Jan 2012: A BH attack on a beer garden kills eight, including five policemen and a teenage girl, in Damaturu, capital of Yobe State.
11 Jan 2012: Four Christians killed by BH gunmen in Potiskum, Yobe State, when gunmen open fire on their car as they stop for fuel. The victims had been fleeing Maiduguri to their home town in eastern Nigeria.
13 Jan 2012: BH kills four and injures two others, including a policeman, in two separate attacks on pubs in Yola (Adawama State) and Gombe city in neighbouring Gombe State.
17 Jan 2012: Two soldiers and four BH gunmen are killed in an attack on a military checkpoint in Maiduguri, Borno State. Soldiers arrest six high-profile BH members in a raid on a sect hideout in the city.
18 Jan 2012: A key suspect in the 2011 Christmas Day bombing in Abuja, which killed more than 40 people, escapes police custody.
22 Jan 2012: Kano multiple bombing killing over 200 people
24 Jan 2012: Security personnel shot and killed one Uzairu Abba Abdullahi, 32, a BH Sect member, and his pregnant wife on Monday night during a gun fight with members of the Boko Haram in Hotoro quarters of Kano City.

So far so bad, Boko Haram has successfully killed about 935 people including more than 250 people in Jan 2012 alone