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  2. Collapse of the World Trade Center - Wikipedia

    en.wikipedia.org/wiki/Collapse_of_the_World...

    One World Trade Center (WTC 1), the "North Tower", was, at 1,368 ft (417 m), six feet taller than Two World Trade Center (WTC 2), the "South Tower", which was 1,362 ft (415 m) tall. Numerous closely spaced perimeter columns provided much of the structural strength, along with gravity load shared with the steel box columns of the core. [23]

  3. List of natural disasters by death toll - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_disasters...

    A natural disaster is a sudden event that causes widespread destruction, major collateral damage, or loss of life, brought about by forces other than the acts of human beings. A natural disaster might be caused by earthquakes, flooding, volcanic eruption, landslide, hurricanes, etc.

  4. List of weapons of mass destruction by country - Wikipedia

    en.wikipedia.org/wiki/List_of_weapons_of_mass...

    The following countries have either attempted to develop, actually built, or bought weapons of mass destruction, including biological, chemical, and nuclear weapons. List [ edit ]

  5. World Trade Center (1973–2001) - Wikipedia

    en.wikipedia.org/wiki/World_Trade_Center_(1973...

    The World Trade Center seen from Liberty Island in 1995. Before its destruction, the World Trade Center was a New York City icon, and the Twin Towers were the centerpiece that represented the entire complex. They were used in film and TV projects as "establishing shots", standing for New York City as a whole. [16]

  6. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    Langsdorf chose a clock to reflect the urgency of the problem: like a countdown, the Clock suggests that destruction will naturally occur unless someone takes action to stop it. [ 12 ] In January 2007, designer Michael Bierut , who was on the Bulletin ' s Governing Board, redesigned the Doomsday Clock to give it a more modern feel.

  7. Global catastrophe scenarios - Wikipedia

    en.wikipedia.org/wiki/Global_catastrophe_scenarios

    If developing world demographics are assumed to become developed world demographics, and if the latter are extrapolated, some projections suggest an extinction before the year 3000. [ citation needed ] John A. Leslie estimates that if the reproduction rate drops to the German or Japanese level the extinction date will be 2400.

  8. List of wars by death toll - Wikipedia

    en.wikipedia.org/wiki/List_of_wars_by_death_toll

    This list of wars by death toll includes all deaths directly or indirectly caused by the deadliest wars in history. These numbers encompass the deaths of military personnel resulting directly from battles or other wartime actions, as well as wartime or war-related civilian deaths, often caused by war-induced epidemics, famines, or genocides.

  9. Atomic bombings of Hiroshima and Nagasaki - Wikipedia

    en.wikipedia.org/wiki/Atomic_bombings_of...

    The radius of total destruction was about 1.6 km (1 mi), followed by fires across the northern portion of the city to 3.2 km (2 mi) south of the bomb. [144] [222] About 58 percent of the Mitsubishi Arms Plant was damaged, and about 78 percent of the Mitsubishi Steel Works. The Mitsubishi Electric Works suffered only 10 percent structural damage ...