Deadliest Mass & Terror Attacks

Some attacks are defined not by a single victim but by the scale of the loss. This list collects the deadliest mass-casualty events documented on CrimeAtlas — terror attacks, mass shootings, and spree killings — ranked by their death tolls.

These cases involve real communities and immense loss of life; they are presented factually and with sources. Each entry links to the full case file.

  1. 1 Beslan School Siege Beslan, Russia · 2004 Chechen-led militants seized School Number One in Beslan, North Ossetia, taking over 1,100 hostages; a three-day siege ended in explosions and gunfire that killed at least 334 peop…
  2. 2 The Madrid Train Bombings (11-M) Madrid, Spain · 2004 Coordinated bombings on four packed commuter trains during the Madrid morning rush hour killed 193 people and injured around 2,000 in Spain's deadliest terrorist attack.
  3. 3 2008 Mumbai Attacks (26/11) Mumbai, India · 2008 Ten Lashkar-e-Taiba gunmen carried out coordinated shooting and bombing attacks across Mumbai over four days, killing 166 people and wounding hundreds.
  4. 4 Crocus City Hall Attack Krasnogorsk, Russia · 2024 Gunmen opened fire on concertgoers and set fire to the Crocus City Hall venue near Moscow, killing at least 145 people in Russia's deadliest terror attack in decades.
  5. 5 November 2015 Paris Attacks (Bataclan) Paris, France · 2015 Coordinated ISIS terror attacks across Paris on 13 November 2015 killed 130 people, with the deadliest assault at the Bataclan concert hall.
  6. 6 The Nice Bastille Day Attack Nice, France · 2016 On Bastille Day 2016, a man drove a cargo truck through a crowd on the Promenade des Anglais in Nice, killing 86 people and injuring hundreds before being shot dead by police.
  7. 7 Norway Attacks and Utoya Massacre Utoya / Oslo, Norway · 2011 A lone far-right extremist bombed government buildings in Oslo then shot dead 69 people at a youth camp on Utoya island, killing 77 in total.
  8. 8 Christchurch Mosque Shootings Christchurch, New Zealand · 2019 A gunman attacked two mosques during Friday prayers in Christchurch, New Zealand, killing 51 people in the country's deadliest mass shooting.
  9. 9 Zhuhai Sports Centre Car Ramming Attack Zhuhai, China · 2024 A man drove a car into crowds exercising at the Zhuhai Sports Centre, killing 35 people and injuring 43 in China's deadliest attack of its kind in years.
  10. 10 Virginia Tech Shooting Blacksburg, USA · 2007 On April 16, 2007, student Seung-Hui Cho killed 32 people and wounded many others in two attacks on the Virginia Tech campus before taking his own life.
  11. 11 Kunming Railway Station Attack Kunming, China · 2014 A group of knife-wielding attackers stormed Kunming Railway Station, killing 31 people and wounding over 140 in a coordinated mass stabbing attributed to Xinjiang separatists.
  12. 12 Sandy Hook Elementary School Shooting Newtown, Connecticut, USA · 2012 Adam Lanza killed 20 first-graders and 6 educators at Sandy Hook Elementary School.
  13. 13 Uvalde Robb Elementary School Shooting Uvalde, USA · 2022 An 18-year-old gunman killed 19 students and two teachers at Robb Elementary School in Uvalde, Texas, in one of the deadliest U.S.
  14. 14 The Piazza Fontana Bombing Milan, Italy · 1969 A bomb exploded in the Banca Nazionale dell'Agricoltura on Milan's Piazza Fontana on 12 December 1969, killing 17 people and wounding around 88.
  15. 15 Erfurt School Massacre Erfurt, Germany · 2002 A 19-year-old expelled former student opened fire at the Gutenberg-Gymnasium in Erfurt, Germany, killing 16 people before taking his own life.

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