Historical eventOctober 222015

2015 Trollhättan school attack

A sword-wielding man attacked students and teachers at a high school in Trollhättan, killing three people in Sweden's deadliest school attack.

Everything on October 22Original source

In context

When
Thursday, October 22 201511 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
21st century · 2010s
Recorded from
Wikipedia “On this day” feed

At a glance

Dates: From 2015.

What happened

A sword-wielding man attacked students and teachers at a high school in Trollhättan, killing three people in Sweden's deadliest school attack.

October 22 through the years

Other entries on the same calendar day, in order.

  1. 2005Tropical Storm Alpha
  2. 2005Bellview Airlines Flight 210
  3. 2006Panama Canal expansion project
  4. 2007Raid on Anuradhapura Air Force Base
  5. 2008Exploration of the Moon
  6. 2012Lance Armstrong
  7. 2013Australian Capital Territory
  8. 20142014 shootings at Parliament Hill
  9. 2014Ottawa
  10. 20152015 Trollhättan school attack
  11. 2019Same-sex marriage in Northern Ireland

Also in 2015

  • September 9Elizabeth IIElizabeth II (pictured) became the longest-reigning monarch of the United Kingdom, surpassing Queen Victoria.
  • September 11Mecca crane collapseA crane collapses onto the Masjid al-Haram mosque in Saudi Arabia, killing 111 people and injuring 394 others.
  • September 12Petlawad explosionAn explosion involving illegally stored mining detonators in Petlawad, India, killed 104 people and injured more than 150 others.
  • September 14LIGOPhysicists of the LIGO and Virgo projects first observed gravitational waves, the existence of which was predicted by Henri Poincaré in 1…
  • September 14First observation of gravitational wavesThe first observation of gravitational waves is made, announced by the LIGO and Virgo collaborations on 11 February 2016.
  • September 162015 Illapel earthquakeA 8.3 Mw earthquake strikes the Chilean city of Illapel, killing 15 people, injuring at least 34, leaving at least six missing, and causi…
  • September 182015 Camp Badaber attackTwo security personnel, 17 worshippers in a mosque, and 13 militants are killed during a Tehrik-i-Taliban Pakistan attack on a Pakistan A…
  • January 3Boko HaramBoko Haram militants destroy the entire town of Baga in north-east Nigeria, starting the Baga massacre and killing as many as 2,000 people.

Everything we record for 2015 →

Sources

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“2015 Trollhättan school attack”, What's On This Date, https://whatsonthisdate.com/app/event/2015-trollh-ttan-school-attack-2015-october-22, accessed October 27, 2026.

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Questions about this entry

When did 2015 Trollhättan school attack happen?

October 22 2015 — 11 years ago, on a Thursday.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

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