BHOLA CYCLONE of 1970 A 150-mph tropical cyclone  hit the densely populated Ganges Delta region of Bangladesh  killing an estimated 500,000 people in one night  the worst natural disaster of the 20th century   About  CROSSWORD on the subject  Fill-the-Gaps QUIZ on the subject    VIDEOS   Fill-the-Gaps QUIZ on History of this day   QUOTES of the day  (on BHAGAVAD GITA)