3 events with tag "chemical weapons"
1915
ID: 1235
Germany uses chlorine gas at Second Battle of Ypres - Fritz Haber oversees chemical weapons program
ID: 1235
1917
ID: 1256
United States creates Chemical Warfare Service, spurring American chemical industry development
ID: 1256
2018
ID: 3308
Skripal poisoning - German chemical weapons expertise suspected
ID: 3308