In April 29, 1991, an extremely severe typhoon disaster happened in the Bangladesh with 138000 persons death and economic loss of about $3000000000. The Blagladesh government made a detailed survey after the event.

• 1991年4月29日孟加拉国发生一次特大台风灾害,死亡138000人,损失30亿美元。 事后,孟加拉国政府组织了详细的调查分析。