Black Tom was a small, manmade island off the coast of New Jersey. During the first World War, it served as a depot for munitions being sold overseas, until the whole place exploded. This week we take a look at what happened, and why it might be a bad idea to leave two million pounds of explosives largely unguarded and unsecured. 

Sources:

Black Tom Explosion: The Bombing That Rocked New York In 1916 (allthatsinteresting.com)

Black Tom explosion - Wikipedia