It is certainly true that the pages of history are deeply stained with the blood of innocents killed in the name of a god.
All to often, when the politicians needed fodder for their cannons, it has been priests who have delivered bodies to the front.
This does not diminish the truth of the bible; it is not the fault of the God who created us; the guilt lies in the hands of God's adversary who established himself in the third chapter of Genesis.
Now, you may wonder why a righteous and loving God did not execute judgement on the rebels immediately. Why has he allowed many thousands of years for the one called Satan to have dominion over his earth?
I believe the answer belongs in a different thread. I refer you to this one in the archives: http://able2know.org/topic/70309-1
The topic of this thread relates to the relationship between Jesus and his creator and Jesus' role in the outworking of God's purpose.