AIDS 1982
USSR crash / tuberculosis 1991
World Trade Center bombing 1993
Hantavirus 1993
Waco 1993
Oklahoma City Bombing 1995
Ebola virus Zaire 1995
West Nile Virus 1999
Y2K 2000
Dot com crash 2000
9-11 2001
SARS 2004
Avian 2008
Recession 2008
H1N1 2009
Swine 2010
Fukushima 2011
MERS 2012
Mayan Calender 2012
Ebola 2014
Zika 2016
Ebola 2018
Coronavirus 2020
Monkeypox 2022
Malaria/Leprosy 2023