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  2. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...

  3. Chemical weapons in World War I - Wikipedia

    en.wikipedia.org/wiki/Chemical_weapons_in_World...

    Chronic fatigue and memory loss were reported to last up to three years after exposure. In the years following World War One, there were many conferences held in attempts to abolish the use of chemical weapons altogether, such as the Washington Naval Conference (1921–22), Geneva Conference (1923–25) and the World Disarmament Conference (1933

  4. List of explosions - Wikipedia

    en.wikipedia.org/wiki/List_of_explosions

    2 January 2021 Afghanistan: Kabul: 5 Unknown A gas cylinder exploded near a bakery. [132] 10 January 2021 China: Qixia: 10 11 Qixia gold mine accident – A gold mine exploded and collapsed. [133] 20 January 2021 Spain: Madrid: 4 10 2021 Madrid explosion – A gas explosion severely damaged a building. [134] 21 January 2021 India: Shivamogga: 8 ...

  5. List of accidents and disasters by death toll - Wikipedia

    en.wikipedia.org/wiki/List_of_accidents_and...

    This is a list of accidents and disasters by death toll. It shows the number of fatalities associated with various explosions , structural fires , flood disasters , coal mine disasters , and other notable accidents caused by negligence connected to improper architecture , planning , construction , design , and more.

  6. List of battles with most United States military fatalities

    en.wikipedia.org/wiki/List_of_battles_with_most...

    This article lists battles and campaigns in which the number of U.S. soldiers killed was higher than 1,000. The battles and campaigns that reached that number of deaths in the field are so far limited to the American Civil War, World War I, World War II, Korean War, and one campaign during the Vietnam War (the Tet Offensive from January 30 to September 23, 1968).

  7. List of wars by death toll - Wikipedia

    en.wikipedia.org/wiki/List_of_wars_by_death_toll

    War in Afghanistan (2001–2021) 0.17–0.36 million [150] [151] 2001–2021 Taliban and allies vs. United States-led coalition and the Afghan Government [f] Afghanistan Boko Haram insurgency: 0.03–0.35 million [152] 2009–present Multinational Joint Task Force vs. Boko Haram: Nigeria Franco-Dutch War: 0.34 million [153] 1672–1678

  8. Chemical warfare - Wikipedia

    en.wikipedia.org/wiki/Chemical_warfare

    Chemical warfare (CW) involves using the toxic properties of chemical substances as weapons.This type of warfare is distinct from nuclear warfare, biological warfare and radiological warfare, which together make up CBRN, the military acronym for chemical, biological, radiological, and nuclear (warfare or weapons), all of which are considered "weapons of mass destruction" (WMDs), a term that ...

  9. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.