Natural disasters in China floods and landslides of all times; the top 5 all occurred in China. Estimated deaths in the 1931 China floods range between 2 million and 4 million, listed as the deadliest flood of all times, which is also the deadliest natural disasters of all times. The 1887 Yellow River flood ranked second in death toll in both flood and natural disaster, claiming lives of between 0.9 million to 2 million. The 1938 Yellow River flood was third, with 500,000–700,000 deaths. After a record grain harvest of 466 million metric tons in 1995, another record crop of 475 million metric tons
History of flooding in Canada due to sewer back-up, not fire. Floods occur five times as often as wildfires, the second most frequent natural hazard in Canada. Between 1900 and 2005 there were 241 flood disasters in Canada. The 1894 Fraser River flood had a return period of slightly more than 500 years and the 1948 flood was close to a 200-year event. The 1997 Red River flood was named the 'flood of the century'. The International Joint Commission (IJC)'s 1998 report warned that although the 1997 Red River flood had a "return interval ranging from 100 to 500 years, depending on the location", there