An order to give no quarter, during military conflict or piracy, directs that captured enemy combatants should be executed rather than taken prisoner. Since the Hague Convention of 1899, it is conside
Dutch ship flying a bloody flag during the Battle of the Sound in 1658
The Jolly Roger was the ensign flown by a pirate ship preceding or during an attack, during the early 18th century. The vast majority of such flags flew the motif of a human skull, or "Death's Head",
No quarter
…universal among combatants. Black flags have been used to signify that quarter would be given if surrender was prompt; the best-known example is the Jolly Roger used by pirates to intimidate a target crew into surrender. By promising quarter, pirates avoided costly and dangerous sea battles which might leave…
Painting showing a French First Republic privateer flying a black Jolly Roger, signed and dated "Nicolas Cammillieri pinxit 1811", with the inscription: "On the 14 Germinal year 7 of the French Republic (3 April 1796), in the Bay of Colonia on the coast of Spain, 4-hour long fight of the privateer Mouche, armed with an 8-pounder swivel gun, under Captain Jean Adrian, against a 16-nine-pounder gun cutter, to recapture the prize called Lavantoroso (?) which said privateer had captured the previous night while [the cutter] was escorting [the contested prize]".
This red flag, captured by the Royal Navy in 1780 and now on display at the National Museum of the Royal Navy, Portsmouth, is another example of a Jolly Roger flag.
1725 woodcut of Bartholomew Roberts with a Jolly Roger in Charles Johnson's A General History of the Pyrates
The personnel of the British submarine HMS Utmost showing off their Jolly Roger in February 1942. The markings on the flag indicate the boat's achievements: nine ships torpedoed (including one warship), eight 'cloak and dagger' operations, one target destroyed by gunfire, and one at-sea rescue