the link has the info you requested.
Mount Vesuvius was the most biggest disaster in the world which destroyed the whole of Pompeii and the people.
it would have to be the titanic
The biggest disaster was September 11, 2001 when the Twin Towers were destroyed.
world war 1 and 2
Probably a flash flood.
Marshall University football crash
Indianapolis
This year (2013) the biggest Earthquake in the world hit Iran.
a explosion size of perth in waroona wa
the biggest flood in history is the central china floods which are generally considered the deadliest natural disaster
I think the Bay of Pigs incident in which the US sponsored a futile rebellion in Cuba was the biggest disaster.
Tebow