Boston Marathon Bombing (2013)
Tiananmen Square Massacre (1989)
Chernobyl Nuclear Disaster (1986)
COVID-19 Pandemic in Canada
COVID-19 Crisis in Brazil
Cyclone Tracy (1974)
Coal Mine Explosions and Accidents
Economic Crisis and Unemployment (2001)
COVID-19 Pandemic in Kazakhstan
Tamanrasset Floods (2020)