Holocaust memorial for Dresden

Clearly, Dresdens fire bombing fits the definition of 'Holocaust' . 

hol·o·caust ˈhäləˌkôst,ˈhōləˌkôst/noun 1.destruction or slaughter on a mass scale, especially caused by fire or nuclear war. "a nuclear holocaust" synonyms:cataclysm, disaster, catastrophe; More 2.historical a Jewish sacrificial offering that is burned completely on an altar.