A French expeditionary force had departed from Brest on an expedition to invade Ireland in December 1796.

This army of eighteen thousand French soldiers is intended to link up with the secret organization of Irish nationalists known as the United Irishmen and provoke a widespread uprising throughout the island.

It is hoped that the resulting war will force Britain to make peace with the French Republic or risk losing control of Ireland altogether.

Led by Vice-Admiral Morard de Galles, General Lazare Hoche and leader of the United Irishmen Wolfe Tone, the invasion fleet includes seventeen ships of the line, twenty-seven smaller warships and transports, and carries extensive field artillery, cavalry and military stores to equip the Irish irregular forces they hope  to raise.

During December 1796 and early January 1797, the French army has repeatedly attempted to land in Ireland.

Early in the voyage, the frigate Fraternité carrying de Galles and Hoche had been separated from the fleet and missed the rendezvous at Mizen Head.

Admiral Bouvet and General Grouchy decided to attempt the landing at Bantry Bay without their commanders, but severe weather made any landing impossible.

For more than a week the fleet had waited for a break in the storm, until Bouvet abandoned the invasion on December 29 and, after a brief and unsuccessful effort to land at the mouth of the River Shannon, ordered his scattered ships to return to Brest.

During the operation and subsequent retreat a further eleven ships have been wrecked or captured, with the loss of thousands of soldiers and sailors.

By January 13 most of the survivors of the fleet have limped back to France in a state of disrepair.

One ship of the line that remaind at sea, the sevnty-four-gun Droits de l'Homme, is commanded by Commodore Jean-Baptiste Raymond de Lacrosse and carries over thirteen hundred men, seven hundred to eight hundred of them soldiers, including General Jean Humbert.

Detached from the main body of the fleet during the retreat from Bantry Bay, Lacrosse had made his way to the mouth of the Shannon alone.

Recognizing that the weather was still too violent for a landing to be made, Lacrosse had acknowledged the failure of the operation and ordered the ship to return to France, capturing the British privateer Cumberland en route.

British admiral Sir Edward Pellew too is on his way back to Brest in HMS Indefatigable, accompanied by HMS Amazon under the command of Captain Robert Carthew Reynolds.

While the rest of the Channel Fleet had been pursuing the French without success, Pellew had had his ships refitted and resupplied at Falmouth so that both frigates are at full complement, well armed and prepared for action

The two ships drive the Droits de l'Homme aground on the coast of Brittany in weather in the so-called Action of 13 January 1797.

Exact French casualties are difficult to calculate, but of the thirteen aboard Droits de l'Homme, one hundred and three are known to have died in the battle and just over three hundred have been saved from the wreck, indicating the deaths of approximately nine hundred men on the French ship between the morning of January 14 and the morning of January 18.

However, a French source suggests that up to another five hundred of the crew are rescued from the wreck by the corvette Arrogante and the cutter Aiguille on January 17 and 18.

This would give a toll of only about four hundred.

A menhir at Plozévet, with an inscription carved in 1840 gives a death toll of six hundred.

Amazon lost three in the battle and six in her wreck, with fifteen wounded, while Indefatigable had not lose a single man killed, suffering only eighteen wounded.

The discrepancy in losses during the action is likely due to the extreme difficulty the French crew had in aiming their guns given their ship's instability in heavy seas.