Empire of the Wolf

The Empire of the Wolf was an alternative timeline in which the Lupine Wavelength Haemovariform took over the British empire with the help of its worshippers, the Brethren, Queen Victoria was a vital part of the wolf’s plan,

Using the trap of the light chamber Sir Robert MacLeish's father and Prince Albert worked on in conjection with the Koh-i-Noor, the Tenth Doctor "drowned" the werewolf in moonlight, supposedly preventing its bite from reaching the British Royal Family and stopping the empire from ever happening. (TV: Tooth and Claw)