Ahiru's Wonderland is apparently an infamous site that hoards event Pokemon from Japan, back in Gen 3 days. Relevant screenshots of the page will match the relevant save data uploaded.   Jan 1, 2019 edit: @shadowofdarkness shared some files he downloaded, probably back in 2007. Interestingly, it went beyond Gen 3, and contained various Gen 4 files. Do note that: 1. .stk files are a bulk batch of files used with pokestock 2. There appears to be some files being marked (with