The Great Depression (1929)
COVID-19 Outbreak in Wuhan (2019)
Vladimir Lenin's Death and Aftermath (1924)
The Halifax Explosion (1917)
Amazon Rainforest Fires (2019)
Great Barrier Reef Bleaching
Gujarat Earthquake (2001)
Political Repression during Dirty War
Semipalatinsk Nuclear Testing Impact
Tamanrasset Floods (2020)