Bienfaisant was a 64-gun ship of the line

Ship of the line

A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...

 of the French Navy

French Navy

The French Navy, officially the Marine nationale and often called La Royale is the maritime arm of the French military. It includes a full range of fighting vessels, from patrol boats to a nuclear powered aircraft carrier and 10 nuclear-powered submarines, four of which are capable of launching...

, launched in 1754.

She was captured by the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 on the night of 25 July 1758 during a cutting out expedition ordered by Admiral Edward Boscawen

Edward Boscawen

Admiral Edward Boscawen, PC was an Admiral in the Royal Navy and Member of Parliament for the borough of Truro, Cornwall. He is known principally for his various naval commands throughout the 18th Century and the engagements that he won, including the Siege of Louisburg in 1758 and Battle of Lagos...

 during the 1758 Siege of Louisbourg

Siege of Louisbourg (1758)

The Siege of Louisbourg was a pivotal battle of the Seven Years' War in 1758 which ended the French colonial era in Atlantic Canada and led directly to the loss of Quebec in 1759 and the remainder of French North America the following year.-Background:The British government realized that with the...

. Bienfaisant and the 74-gun Prudent were the last remaining ships of the line of the French squadron in Louisbourg harbour. Prudent was aground and so was burnt but Bienfaisant was successfully cut out by men commanded by Commander George Balfour, of . The action was decisive moment of the siege as the fortress surrendered the next day. The captured Bienfaisant was commissioned as the third rate HMS Bienfaisant. She took part in the Battle of Cape St Vincent

Battle of Cape St. Vincent (1780)

The naval Battle of Cape St Vincent, took place off the coast of Portugal on 16 January 1780 during the American War of Independence. A British fleet under Admiral Sir George Rodney defeated a Spanish squadron under Don Juan de Lángara. The battle is sometimes referred to as the Moonlight Battle,...

in 1780.

Bienfaisant was broken up in 1814.