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When you are doing your link building target the following things: Both terms in varied anchor texts Target on page content to target both terms Target internal link building for each term. You can mix up techniques to achieve many positives

Autogenerated or inserted by hand makes no difference. I get LOTS of traffic because I cover some events and some people search for them with a date. To be certain that Google can read your dates or any other text information, view your page in google's cache.