What are the facts? Evolution: Science or Faith?

Is the theory of evolution or "Big Bang" theory a proven fact?

If you say yes, please explain.

If it is not, then wouldn't believing this theory be based on faith?
Update: There many great answers, The the first one. What I do not understand is theory's that have been a society excepted belief, have been disproved many times. So therefor until some can be demonstrated, and repeted. it is not Fact. I want to find truth. But I have found to many holes in both Evolution... show more There many great answers, The the first one.

What I do not understand is theory's that have been a society excepted belief, have been disproved many times.

So therefor until some can be demonstrated, and repeted. it is not Fact.

I want to find truth. But I have found to many holes in both Evolution and Creation.

I am asking this to find what I am missing.
Update 2: Thank you everybody. I appreciate all the educated and logical answers. They have been every insightful.
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