- This time line shows the increase of terrorist activities involving NBC agents. There was only one reported NBC event in the 1970s, three in the ‘80s, and an exponential increase of events in the ‘90s.
- 1972(Typhoid), 1984(Botulinum), 1984(Salmonella-751 injured),
1985(Cyanide), 1992(Cyanide), Jun.1994(Sarin-7 dead, 200 injured),
Mar.1995(Ricin), Mar.1995(Sarin-12 dead, 5500 affected), Apr.1995(Sarin),
Apr.-Jun.1995(Cyanide, Phosgene, Pepper Spray), May.1995(Plague),
Nov.1995(Radioactive Cesium), Dec.1995(Ricin), Jun.1996(Uranium),
Feb.1997(Chlorine-14 injured, 500 evacuated), Apr.1997(U235)