Date error put it in pre-1500 I don't have access to correct

Question

I made an error when attempting to delete a date rather than erasing the entire date it took off the first number.

1779 became 0779. which locked me out because I don't have a pre-1500 badge..Can someone help me correct this?

Comments

I have tagged your question with pre-1500 so someone should be along shortly to help you fix the date.

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Done.  Did she really get married at age 10?

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It has been corrected

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That was the problem I was trying to correct.