As of 2026-10-12, Mudan Incident of 1871 tops the list with 54 deaths.
- #1 Mudan Incident of 1871 — 54 deaths
killing of 54 Ryūkyūan sailors in Qing-era Taiwan who wandered into Taiwan after shipwreck, causing the Taiwan Expedition of 1874 by Japan
The Mudan incident of 1871 was the massacre of 54 Ryukyuan sailors in Qing-era Taiwan who wandered into the central part of Taiwan after being shipwrecked off Taiwan's southeastern coast. Twelve survivors were rescued by local Han people and were later returned to Miyako Island in the Ryukyu Islands. Read more on Wikipedia.
Wikidata - #2 1991 killings of Serbs in Vukovar — 43 deaths
Killing of Serbs in Coatia
The 1991 killings of Serbs in Vukovar were a series of incidents in which Serbs living in and around Vukovar during the spring and summer of 1991 were subject to kidnappings and summary executions by armed thugs associated with the Croatian National Guard. These events began as the Croatian War of Independence was starting, prior to the start of the Battle of Vukovar in August of the same year. After the war, some criminal investigations were undertaken, including one of the notable... Read more on Wikipedia.
Wikidata - #3 2014 Kunming attack — 31 deaths
knife attack at Kunming Railway Station in the city of Kunming, Yunnan
On 1 March 2014, a group of five knife-wielding terrorists attacked passengers in the Kunming Railway Station in Kunming, Yunnan, China, killing 31 people, and wounding 143 others. The attackers pulled out long-bladed knives and stabbed and slashed passengers at random. Four assailants were shot to death by police on the spot and one injured perpetrator was arrested. Police announced on 3 March that the six-man, two-woman group had been neutralized, after the arrest of three remaining suspects. Read more on Wikipedia.
Wikidata - #4 Atlanta murders of 1979–1981 — 28 deaths
series of murders committed in Atlanta, Georgia
The Atlanta murders of 1979–1981, sometimes called the Atlanta child murders, are a series of murders committed in Atlanta, Georgia, United States between July 1979 and May 1981. Over the two-year period, at least 28 African-American children, adolescents, and adults were killed. Wayne Williams, an Atlanta native who was 23 years old at the time of the last murder, was arrested, tried, and convicted of two of the adult murders and sentenced to two consecutive life terms. Read more on Wikipedia.
Wikidata - #5 Cafetería Rolando bombing — 13 deaths
bombing in Madrid, Spain
The Cafetería Rolando bombing was an attack on 13 September 1974 at the Rolando cafe in Calle del Correo, Madrid, Spain which killed 13 people and wounded 71. Though no claim of responsibility was made, the attack is widely believed to have been carried out by the armed Basque separatist group ETA. Read more on Wikipedia.
Wikidata - #6 Plaza República Dominicana bombing — 12 deaths
car bomb attack carried out by the Basque separatist group ETA in Madrid, Spain in 1986
A car bomb attack was carried out by the armed Basque separatist group ETA in Madrid, Spain, on 14 July 1986, which killed 12 people and injured another 32. The dead were all members of the Guardia Civil studying in the nearby traffic school on Príncipe de Vergara. The ETA members later convicted of participation in the attack included significant figures in the group, including Antonio Troitiño and Iñaki de Juana Chaos. Read more on Wikipedia.
Wikidata - #7 United States military strike on alleged drug traffickers 2 September 2025 — 11 deaths source Wikidata
- #8 West Mesa murders — 11 deaths
remains of murdered women discovered in the desert of West Mesa, Albuquerque, New Mexico, US
The West Mesa Murders are the killings of eleven women whose remains were found buried in 2009 in the desert on the West Mesa of Albuquerque, New Mexico. Several suspects have been named, but none were arrested or charged. While the killings are believed to be the work of a serial killer, the involvement of a sex trafficking ring has also been suspected. Read more on Wikipedia.
Wikidata - #9 Kumatarō Kido and Yagorō Tani — 11 deaths
Japanese murderers
On 25 May 1893, eleven people were killed in a shooting and sword attack in Suibun, a village of Chihayaakasaka, Osaka Prefecture, Japan. Read more on Wikipedia.
Wikidata - #10 1987 Zaragoza Guardia Civil Barracks bombing — 11 deaths
Car bomb attack by the Basque separatist organisation ETA
A car bomb attack was carried out by the Basque separatist organisation ETA on 11 December 1987. A vehicle containing 250 kilograms (550 lb) of ammonal was parked beside the main Guardia Civil barracks in the city of Zaragoza, Aragon, Spain; its explosion killed 11 people, including 5 children. Another 88 people were injured, the majority of them civilians. Read more on Wikipedia.
Wikidata