Backlinks from wikipedia

You can create them for your own. I've already created backlinks from Wikipedia for one of my sites. It's not for sure that it will help, but it won't harm your site. It will be a nofollow link, but no problem. You need a good mix of follow and nofollow links anyway. And it can bring you traffic, another plus.

I've checked the Wiki sites from which I'd liked to have backlinks and read the article. I thought about what could also be interesting or what is missing. Then I've written a good post on my site about this topic and waited a few days to weeks. Than I've edited the Wikipedia page and put a link as reference to my site. Some were deleted, some keeped there.

Good luck.