Christianity is the word of God not the institutions of man.
Man sins man is responsible for all things in the kingdom of man.
This includes all historical sins.
No sin enters the kingdom of God.
This is a stumbling block for many people.
It is as it is and it is perfectly ok.
History as well as linear time is irrelevant to the kingdom of God.
Christianity is not man.
Some people have great difficulty comprehending this.