http://xn--hckqz0e9cygq471ahu9b.xn--...B8%80%E8%A6%A7

Here is the link to the JP wiki, which is where that data was gathered from. Of course, this is only the ASSUMED order, as Nutaku has broken it once. Just once though, the rest of the time they went in the exact same order (start at the bottom of the page and work up). It was assumed by the forums that the reason they changed something was to try to shift the dates to be more in line. After all, it doesn't make sense to have the Halloween event take place in september, that type of thing.

http://harem-battle.club/kamihime-pr...dolon-wep.html
Here is the link for the thread you're talking about (probably). The data is pretty good (with help on the translations from multiple sources, as google-TL isn't the best for foreign names)