The Great Molasses Flood of 1919 The Great Molasses Flood occurred in Boston in 1919. True False None The molasses flood was caused by a natural disaster, such as an earthquake. True False None The molasses wave moved as fast as 35 miles per hour. True False None Over 100 people lost their lives in the Great Molasses Flood. True False None The molasses tank owner was held legally responsible for the disaster. True False None Time's up Most Popular Most Popular