During World War I , London experienced its first bombing raids carried out by German zeppelin airships ; these killed around 700 people and caused great terror , but were merely a foretaste of what was to come . The city of London would experience many more terrors as a result of both World Wars . The largest explosion in London occurred during World War I : the Silvertown explosion , when a munitions factory containing 50 tons of TNT exploded , killing 73 and injuring 400
Silvertown explosion
Silvertown explosion
History of London