Can I use ex-wives Facebook in court ?

Yes.

In California Divorce, is it possible to change the date of separation?

You can try to amend your pleadings, but you would do well to discuss your strategy with a local attorney. The cost of the consultation will be far...

Will a Pre-Nuptual Agreement regarding relocation/custody hold up in court if there was a divorce?

That depends upon the pre-nup, how it was drafted and how it was signed.

Will a Pre-Nuptual Agreement regarding relocation/custody hold up in court if there was a divorce?

That depends upon the pre-nup, how it was drafted and how it was signed.

My wife wants a divorce, left the apartment four months ago leaving personal items behind. Locks are changed, can she enter?

That can't be answered on the limited information provided. Did she live there? Is there a landlord/tenant provision that might affect the...

My divorce case has not been dismissed. I want to vacate/get rid off a damaging OP in my file. how can I do that?

You should consult an attorney you trust and discuss your options - without seeing the file no one will be able to give you very specific advice.

Can I appeal anything after divorce is Final?

You should consult a local family law attorney and discuss your options, which may include seeking modification of a decree rather than an outright...

I have more then one car and Im in the Army and getting a divorce do I have to give her one

That's not enough information on which to base a decision.

Child custody

You should consult a local attorney immediately and consider a family court filing.

Of course you can object - whether it will matter or not can't be determined from the limited information in your posting. You should consult a...