The 10 Deadliest Terrorist Attacks in History

10. Attack on Beirut barracks

Dead : 307
Injured : 161
Location : Lebanon
Date : October 23, 1983

Suicide attacks during Lebanon's Civil War in 1983 killed at least 299 US and French soldiers in barracks in Beirut. The Islamic Jihad group took responsibility for the bombing, which involved two suicide bombers that hit military installations.

9. Air India Flight 182

Killed : 329
Injured : No survivors
Location : Atlantic Ocean South of Ireland
Date : June 23, 1985

An international flight from Canada to India crashed into the Atlantic Ocean after a bomb exploded aboard and caused the aircraft to depressurize. All 307 passengers and 22 crew members died. An hour later, a suitcase exploded at an airport in Japan, leaving no fatalities. Sikh refugees took responsibility for the bombings.

8. Attacks on Gamboru and Ngala

Dead : Over 336
Injured : not known
Location : Nigeria
Date : May 7, 2014

Terrorist group Boko Haram has made a series of AK-47 gunfire attacks on the twin cities of Gamboru and Ngala in Nigeria, leaving at least 336 people dead. On the same day, eleven boys were kidnapped by supporters of the movement. The coordinated attack took place in popular markets.

7. Attack on Baghdad

Killed : 341
Injured : 225
Location : Iraq
Date : July 3, 2016

Shortly after midnight on July 3, 2016, a series of bomb attacks killed hundreds of civilians in the Karrada and Sha'ab districts of Baghdad, Iraq. The largest of the attacks in one market caused a devastating fire. The Islamic State group took over the authorship.

6. Beslan school hostage crisis

Killed : 385
Injured : 747
Location : Russia
Date : September 1-3, 2004

On September 1, 2004, Chechen terrorists entered School Number One in Beslan, Russia, and took more than 1, 200 people - including adults and children - hostage. It was 3 days of tension, which ended in shooting and detonating explosives that resulted in the deaths of 385 people, 186 children. Also killed 35 terrorists involved in the massacre.

5. Bombing in Mogadishu

Dead : Over 400
Injured : Over 300
Location : Somalia
Date : October 14, 2017

Somalia has been in civil war for more than two decades, but the October 2017 bombing was the worst in the country's history: initial estimates point to over 400 dead, but that number is yet to rise. Two trucks loaded with explosives were detonated at strategic points and with a large concentration of people. So far, no one has taken responsibility for the crime, but the government has appointed the al-Qaeda-linked Al-Shabab group as responsible for the massacre.

4. Cinema Rex Fire

Dead : speculated 422
Injured : 10
Location : Iran
Date : August 19, 1978

At least 422 people were killed in a arson attack in the city of Abadan, Iran, in August 1978. There are estimates of 377 to over 800 human losses, which could be the second worst terrorist attack in recent history! Four men locked the doors of the Cinema Rex, poured gasoline inside and set it on fire. Some victims tried unsuccessfully to escape through the roof. The bombing gave rise to the Iranian Revolution.

3. Massacre in Nigeria

Killed : 780
Injured : Not disclosed
Location : Nigeria
Date : July 26-30, 2009

Terrorist group Boko Haram has claimed more than 20, 000 fatalities since its inception in 2009 when a series of armed attacks ended the lives of 780 people in the town of Maiduguri, Nigeria.

2. Shelling in Yazidi Communities

Dead : 796
Injured : Over 500
Location : Iraq
Date : August 14, 2007

A series of four car bomb explosions in the cities of Kahtaniya and Jazeera in Iraq has killed nearly 800 Yazidi people, a Kurdish religious minority. It is believed that the death sentence of 17-year-old Yazidi Du'a Khalil Aswad, who wanted to become a Sunni in order to marry a boy of different ethnicity, has ignited the tension between the two peoples.

1. The attacks of September 11

Killed : 3, 000
Injured : 9 thousand
Location : United States
Date : September 11, 2001

The best known terrorist attacks rocked the world in 2001 when four planes were hijacked by Islamic extremists. Two of them hit the twin towers of the World Trade Center in New York, one landed on the Pentagon in Arlignton County, and the last landed in a field in Pennsylvania.