Long before the United States officially entered World War I, Jersey City's Black Tom depot served as the primary logistical artery for American munitions sold to the Allied powers. On the night of July 30, 1916, covert German agents detonated a series of fires amidst two million pounds of ammunition stored on the pier. The resulting explosion, equivalent to a 5.
5 magnitude earthquake, shattered windows miles away in Manhattan and embedded shrapnel into the Statue of Liberty. Beyond the immediate physical devastation, the attack inflicted a severe shock on the Allied war machine. Black Tom was carrying thousands of artillery shells and tons of black powder destined for European battlefields.
The destruction instantly severed critical shipping operations, creating a massive supply chain bottleneck that starved Allied artillery batteries along the Somme for two critical weeks. Logistics networks panicked, prompting total overhauls of security protocols for neutral port facilities. The Black Tom incident remains one of the largest non-nuclear explosions in history and served as a major catalyst shifting American public sentiment toward joining the war.