Category:20th-century natural disasters This category is for natural disasters in the 20th century.15th16th17th18th19th20th21st22nd23rd24th25th Subcategories This category has the following 22 subcategories, out of 22 total. 0–9 1900s natural disasters (20 C, 1 P) 1910s natural disasters (18 C, 2 P) 1920s natural disasters (18 C, 1 P) 1930s natural disasters (18 C, 1 P) 1940s natural disasters (20 C) 1950s natural disasters (19 C, 2 P) 1960s natural disasters (17 C) 1970s natural disasters (19 C) 1980s natural disasters (20 C) 1990s natural disasters (19 C)A 20th-century avalanches (3 C, 7 P)C 20th-century cold waves (1 C, 10 P)D 20th-century droughts (8 C, 11 P)E 20th-century earthquakes (11 C, 1 P)F 20th-century floods (16 C)H 20th-century heat waves (12 P)L 20th-century landslides (10 C)N 20th-century natural disasters in North America (2 C)T 20th-century tornadoes (51 C, 51 P) 20th-century tsunamis (10 C)V 20th-century volcanic events (2 C, 74 P)W 20th-century wildfires (11 C)