Start/End Dates	2013-06-19 through 2013-06-25
Country	Japan

Details

The official Japanese Pokémon website announced that the Pokémon Centers in Japan would each offer a special event Pokémon during the summer of 2013 to celebrate the 15th anniversary of Pokémon. A battle strategy card was also be distributed with each Pokémon. One of the seven Pokémon was also distributed randomly from July 3rd, 2013 until July 7th, 2013.

Pokémon Center	Details	Dates	Image
Pokémon Center Osaka	Enbuoh (エンブオー) OT: ＰＣＯ ID: 06193 Item: Choice Scarf	Dates: 2013-06-19 to 2013-06-25

Source: http://www.pokemon.co.jp/ex/pokecen_15th/

Battle Strategy Card and Event Flyer

Scan Source: http://d.hatena.ne.jp/asami-1120/

Pokémon Center Hot Information 15th Anniversary Vol 1 (ポケモンセンターホットインフォメーション　15周年 vol,1)

The official Japanese Pokémon YouTube channel posted an informational video to promote the event distributions at the Pokémon Centers.


Source: http://www.youtube.com/watch?v=btOj-I86ZEk

Pokémon Center Commercial May 2013

A commercial that aired during Pokémon Smash 137 promoted the event distributions at the Pokémon Centers.