You should be able to do this by running some git command directly in the repository. Please refer to http://stackoverflow.com/questions/2255416/how-to-determine-when-a-git-branch-was-created as it contains a few examples that you could use to check this, like
git show --summary or
Hey Community! I work on the Bitbucket product marketing team. With Halloween approaching, we wanted to discuss a topic tailor-made for October: development horror stories. Whether it was a lurk...
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