Veropedia has almost 4000 “verofied” entries in wiki format. Here is the first paragraph from their “about” page.
Veropedia is a collaborative effort by a group of Wikipedians to collect the best of Wikipedia’s content, clean it up, vet it, and save it for all time. These articles are stable and cannot be edited, The result is a quality stable version that can be trusted by students, teachers, and anyone else who is looking for top-notch, reliable information.
With the constraints on the content, there aren’t as many articles, but if the one you need is listed, it will have accurate information.