Only ignorant and vacuous people will think of the death of Christianity.
Christianity will outlive them and their next generations forever.
Christianity is the only and absolute way to knowing the one and only true God.
All others are false and as Jesus Christ said, "By their fruits, you shall know them."
If there was no Islam, there would have been no 9/11 and no 7/7 and there would have been no war in Iraq. And all our beloved ones killed in 9/11 and 7/7 and in Iraq would have been alive and well today.
There was Christianity before Great Britain and there will be Christianity after Great Britain.
"Jesus answered, "I am the way and the truth and the life. No one comes to the Father except through me."
~ John 14:6 (New International Reader's Version).
A world without Christianity would be hell!