Poke ball vivillon SUM2014 and SUM2014 self obtained Heracross, shiny Tanabata Jirachi Calm, Sassy, Relaxed, and Timid
All the jirachi are from 8 / 1 / 2014 except relaxed which is 8 / 7 / 2014
Naughty and hardy japanese movie Keldeo
5 different Speed Boost Torchic launch event
Self obtained Fancy pattern Vivvillon both Vivvillon are soft reset for higher ivs, one has all ivs 20 or higher
Shiny Movie Genesect from Japan 6IV and HP Ground 31/31/31/30/30/31
Jolly Oblivia 6IV Deoxys Jolly Knock Off, Meteor Mash, Drain Punch, Fire Punch
Adamant 6IV V create Rayquaza japanese
I have a bunch of others but don't want to spend around an hour or longer typing up every event, let me know if your looking for any specific past gen event, I don't have many gen6 events