A new campaign backed by Dr David Starkey and a former Prime Minister is demanding assurance that they won't leave Britain.

Born from conquest, trained from childhood, and loyal only to the Sultan—the Janissaries were the backbone of the Ottoman war machine.

Mehmed IV wanted to finish what his ancestor started—take Vienna and break Europe. But fortified walls, underground traps, and unexpected allies would bring the Ottoman advance to a halt.

A letter, exclusively obtained by Sky News, suggests legal action could be taken to prevent the UK government and British ...