The Great Depression (1929)
COVID-19 Outbreak in Wuhan (2019)
Vladimir Lenin's Death and Aftermath (1924)
Alberta Wildfires (2016)
Air France Flight 447 Crash (2009)
Port Arthur Massacre (1996)
Kumbh Mela Stampede (2013)
Economic Crisis and Unemployment (2001)
Zhanaozen Massacre (2011)
COVID-19 Pandemic Effects