🛠️ Invention or technique

Chemical weapons

Armas químicas (cloro, fosgeno, gas mostaza)

Date
1915 · confidence high
Place
Ypres, Belgium
Credited to
Fritz Haber (Kaiser Wilhelm Institute, Berlin); first chlorine attack, 22-4-1915; mustard gas (1917)
People
👤 Fritz Haber1868–1934
Field
Conflict

What it is

Industrial use of toxic gases as a weapon of war, directed by the same chemist who synthesised ammonia. It brought laboratory science into mass killing.

What it led to

  • Gas mask and scientific total war
  • Geneva Protocol (1925)
  • Organophosphate insecticides and nerve agents (tabun, 1936)
🕸️ View in the graph

Built on

Made possible

  • Gas mask
  • Nerve gases
  • Organophosphate insecticides

Links