9/11 Terrorist Attacks (2001)
Nanjing Massacre (1937)
Chernobyl Nuclear Disaster (1986)
Great Depression Effects in Canada
COVID-19 Crisis in Brazil
Great Barrier Reef Bleaching
Partition Violence (1947)
Economic Crisis and Unemployment (2001)
Kazakh Famine (1930s)
Harragas Mediterranean Sea Tragedies