A Fleet Against One: The Continental Navy’s Embarrassing Clash off Block Island, April 6, 1776

Emerging Revolutionary War welcomes guest historian Bjorn Bruckshaw, a bio follows the post.

British nautical chart of the eastern portion of Long Island Sound showing the location of Block Island and the surrounding waters where the Continental Navy squadron encountered HMS Glasgow on April 6, 1776. Courtesy of the Library of Congress, Geography and Map Division. Public domain.

In the early morning hours of April 6, 1776, a lone British warship slipped through the moonlit waters southeast of Block Island. The twenty-gun frigate HMS Glasgow was carrying dispatches from Newport, Rhode Island, to the British fleet assembling off Charleston, South Carolina. Suddenly the ship’s lookout sighted sails on the horizon—then more sails behind them. Within minutes Captain Tyringham Howe realized the alarming truth: his single ship had encountered nearly the entire fleet of the newly created Continental Navy.¹

What followed should have been a decisive American victory. Commodore Esek Hopkins commanded a squadron of seven armed vessels, including the flagship Alfred, the brigs Cabot and Andrew Doria, and several additional ships. Against them stood only one British frigate. Yet by dawn the British ship had fought its way free and escaped. The encounter became one of the earliest—and most embarrassing—naval engagements of the American Revolution.²

The clash southeast of Block Island revealed the weaknesses of the young American navy: inexperienced crews, poor coordination between ships, and ineffective gunnery. Despite overwhelming numerical superiority, the Continental squadron failed to capture a single enemy warship. As one frustrated American officer later remarked, “A more imprudent, ill-conducted affair never happened.”³

The British vessel at the center of the encounter was HMS Glasgow, a sixth-rate twenty-gun frigate of the Royal Navy. In early April 1776 the ship had been tasked with delivering dispatches from Newport to the British fleet gathering off Charleston for an upcoming campaign against the southern colonies. That expedition would ultimately culminate in the failed British assault during the Battle of Sullivan’s Island in June 1776.⁴

Meanwhile the American rebellion had begun extending onto the seas. The Second Continental Congress had authorized the creation of a navy in late 1775 to challenge British control of American waters. By February 1776 the first ships of the fleet were ready for service, and Congress appointed Hopkins as commander-in-chief of the new force.⁵

Hopkins’s squadron consisted largely of converted merchant vessels hastily adapted for war. The fleet included the flagship Alfred, along with Columbus, Cabot, Andrew Doria, Providence, Wasp, and Fly. Among the officers serving aboard the fleet was a young lieutenant named John Paul Jones, who served aboard the Alfred and would later gain fame as one of the most celebrated naval commanders of the Revolution.⁶

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The Nassau Cannon

In March, 1776 Commodore Esek Hopkins led the bulk of the Continental Navy on a raid to the Bahamas, where it occupied the town of New Providence on Nassau Island for two weeks.  Hopkins and his captains were drawn by a report of gunpowder stored in the town, which the patriot cause desperately needed.[1]  Unfortunately for Hopkins, the colony’s governor had spirited away some 150 barrels the night before the American flotilla’s arrival.  Not all was lost as the Marines quickly demanded and received the surrender of two small forts defending the town and its harbor.  With those in hand, Hopkins and his men quickly got to work removing artillery, military stores, and other useful supplies.

            While the American Marines and sailors managed to recover just 24 casks of powder, their haul in sizeable artillery pieces and mortars was impressive: 88 cannon ranging from 9- to 36-pounders; 15 mortars from 4-11 inches; 5,458 shells; 11,071 roundshot; 165 chain & double shot, plus fuses, rams, sponges, carriage trucks, mortar beds, copper hoops, and various stores not required for artillery.[2]  It was a boon to be sure.  The curious part of Hopkins’ inventory of captured war material, however, is that he sent it to Connecticut Governor Jonathan Trumbull, not a representative of the Naval Committee that had issued his orders.  To John Hancock, president of the Continental Congress, he sent a report of his mission, but only mentioned “I have taken all the Stores onboard the fleet.”[3]  Indeed, his report of the armaments aboard the British schooner Hawke, which the fleet captured on its return to American waters, was more complete.  It took another day, until April 9, for Hopkins to forward the inventory of seized cannon.  Congress merely resolved that an extract of his letter should be published for delegates to peruse.[4] Perhaps inadvertently, Hopkins exacerbated regional political conflicts and undermined his own command.

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