This Day In New England History – German Submarine Attack on Cape Cod

By Tiffany Williams –

addalittlebitofbodytext_20250720_200936_00002656632849940495652 This Day In New England History - German Submarine Attack on Cape Cod

Nearly a century ago, on the evening of July 21, 1918, the peaceful coastal town of Orleans on Cape Cod experienced a rare and alarming encounter with the realities of World War I — a German submarine attack just off its shores.

As the war raged across Europe, German U-boats (submarines) prowled the Atlantic, targeting Allied ships in an effort to cut off supplies and weaken the enemy. While most attacks took place far from American soil, the reach of the conflict briefly extended into New England waters in this unexpected episode.

The Attack

According to historical records, a German U-boat surfaced near Orleans and began shelling the town with deck guns. The attack caught residents by surprise, striking at a community largely untouched by the war’s violence. Though the shells caused limited physical damage, the psychological impact was significant, stirring fear among civilians and demonstrating that the war could indeed touch even remote parts of the American coast.

U.S. Navy’s Quick Response

The response from the U.S. Navy was swift. Seaplanes patrolling the coastline spotted the submarine’s presence and engaged the threat, forcing the U-boat to retreat. Their timely arrival prevented further shelling and potential casualties, showcasing the growing capability and readiness of U.S. coastal defense forces during the war.

Historical Context

This incident was part of Germany’s broader campaign of unrestricted submarine warfare, aimed at disrupting shipping lanes and naval operations. Earlier in the war, German U-boats had sunk the British passenger liner Lusitania off the coast of Ireland, an event that influenced the U.S. decision to enter the war in 1917.

While submarine attacks along the U.S. East Coast were not widespread, the July 21 attack on Orleans remains one of the few direct assaults on American soil during the conflict. It highlighted the strategic importance of coastal defense and the vulnerability of coastal communities during wartime.

Legacy

Today, the attack on Cape Cod is a relatively obscure chapter in New England’s history, overshadowed by larger battles and global events. Yet, it remains a vivid reminder of World War I’s far-reaching effects and the bravery of those who defended American shores.

Local historians and descendants of those who lived through the event continue to preserve the story, honoring a moment when a quiet seaside town stood at the edge of global conflict.


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