Worst firework disaster - death toll
                                    
								- Who
 - Seine
 - What
 - 800 people
 - Where
 - France (Paris,)
 - When
 - 16 May 1770
 
Some 800 people were killed in an accident during a firework display beside the Seine in Paris, France, to celebrate the marriage of the Dauphin on May 16, 1770.