1989 The Daulatpur Salturia Tornado
The list starts and ends with Bangladesh. There is bad reason why this Daulatpur Salturia Tornado of 1989 made its way to number 1. By sheer size alone, this one easily was more than 1 mile in diameter. 1300 deaths were recorded and about 80,000 were affected by it. Some theories say that the half year drought was the reason for this to happen. To this day, no tornado comes even close to the destruction it brought.
