United Papal Kingdom

This tells what might have happened if the gunpowder plot had succeeded.

Timeline
1605: Explosion at the House of Lords. The King, lords and other important people are killed. Catholics immediately begin massacring any and all Protestants. A civil war begins. The Irish take advantage of this and gains independence.

1607: Civil war won by the Catholics. The United Papal Kingdom is established.

2608: Protestant are being rounded up to be sent to prison. These prison will be like a 1600's version of the concentration camps.