- 9/11 attacks: The most notable instance is undoubtedly 9/11, where hijackers crashed airplanes into the World Trade Center's Twin Towers, the Pentagon, and a field in Shanksville, Pennsylvania. This assault demonstrated terrorism's global reach, causing massive death and destruction and changing people's lives all around the world.
- 2002 Bali bombings: These explosions in Bali, Indonesia, killed 202 people, including tourists from various nations. The attack brought home the reality that terrorism could reach people even on holiday and highlighted the danger that terrorist groups posed to popular tourist places.
- 2004 Madrid train bombings: In these coordinated bombings in Madrid, Spain, 191 people were killed and more than 1,800 were injured. The attack had a significant impact on Europe and put light on the fact that terrorist groups may strike anyplace.
- 7/7 London bombings: In London, the capital of the United Kingdom, four suicide bombings on three trains and a bus resulted in the deaths of 52 people. The attack was notable because it demonstrated terrorist's capacity to strike without prior notice and cause fatalities on a large scale even with relatively minor explosions.
- 26/11 Mumbai attacks: In these coordinated terror assaults in Mumbai, India, 166 people were killed and more than 300 were hurt. Hotels, restaurants, and a train station were among the targets, which put a strain on the tourist and business sectors of a crucial Indian city.
- 2015 Paris attacks: In another string of coordinated attacks, terrorists opened fire at several venues, including the Bataclan concert venue, in the French capital of Paris. There were 130 victims and several survivors were forever altered by these terrible actions.
- June 2022 Kabul airport attack: Terrorists struck the Kabul airport with two explosions as troops attempted to evacuate during the chaos that followed America's withdrawal from Afghanistan. Over 180 individuals were killed, including 13 American troops. The attack demonstrated how terrorism continued to spread internationally and how unstable zones posed a threat.
These events provide a sad representation of how Al-qaeda's attacks have produced a pervasive climate of fear. They underline the global nature of terrorism, demonstrating that no corner of the world is immune from violent radicals' potential effects. Their tactics have caused anxiety and made people less secure while traveling, going about their daily lives, or attending significant public events. Governments, security services, and communities throughout the world continue to work to stop these terrible acts and keep their citizens safe because of the profound effects that Al-Qaeda's attacks have had.