Why is a pirate's flag called a 'Jolly Roger'? Where did the term

The Jolly Roger & Other Pirate Flags - World History Encyclopedia

CABINET / The Generation of the Jolly Roger

Did pirate ships really fly the jolly Roger flag? - Quora

What is the origin of the term 'jack' in reference to the British flag? - Quora

Jolly Roger - Wikipedia

The history of pirate flags

What is the purpose of flying a pirate flag on a boat if the owner is not a pirate? Would it not be more appropriate to fly an American flag instead?

What is the origin of the term 'jack' in reference to the British flag? - Quora

Why does the Isle of Man flag have a Triskelion on its flag, where does it originate from? - Quora

Why are pirates called pirates? - Quora