Hi. Just so you know, we have a policy of showing sources for information posted to the Wiki. In the future, should you find a date or another piece of info that conflicts with something that you've seen, you should mention it in a thread on the Article Content board and cite your source. Please do not change information that's already there unless it can be disproved with a more reliable source. Thanks.
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Please take some time to look over our FAQ and Guidelines at Special:Community (it's also linked in the GET STARTED button on the right-hand side of every article, for future reference), and leave a message here if there's anything you need help with.