View source for Eevee Day

[[File:Eevee Day promotional image_2018.jpg|thumb|300px|"November 21 is Eevee Day."<ref name=PRTimes20181121>(November 21, 2018). "[https://prtimes.jp/main/html/rd/p/000000049.000026665.html 正式認定！11月21日は「イーブイの日」!!]" 株式会社ポケモン ([[The Pokémon Company]]) on PR Times.</ref> The date "11/21" can be read as "Eevee" using goroawase spelling.]]
'''Eevee Day''' (Japanese: '''イーブイの日''' ''Eievui Day'') is an officially recognized observance in celebration of {{p|Eevee}}, and by extension, its Evolutions, also known as the [[Eeveelution]]s. The date was chosen as the numbers "11/21" can be read in {{wp|goroawase}} as ''i-i-bu-i'', spelling イーブイ ''Eievui'', the Japanese name of Eevee.

Originally created by Pokémon fans, Eevee Day was officially acknowledged by [[The Pokémon Company]] with the launch of [[Project Eevee]] in 2017, and the observance was certified in 2018 by the Japan Anniversary Association (Japanese: 日本記念日協会 ''Nihon Kinenbi Kyōkai'').<ref name=PRTimes20181121/> Various events, reveals, and releases are held across many different Pokémon media on and around Eevee Day.

==Early history==
Mentions of Eevee Day by Pokémon fans predate its official recognition by The Pokémon Company. The oldest Pokémon fan art tagged "#イーブイの日" (Eevee Day) on the Japanese art website {{wp|Pixiv}} was uploaded by user ピカチュウくん ("Pikachu-kun") on November 3, 2009, in which the user encouraged fellow Pixiv users to create Eevee fan art and post them on November 21 with the #イーブイの日 hashtag.<ref>(November 3, 2009). "[https://www.pixiv.net/en/artworks/6964614 <nowiki>[企画]</nowiki>イーブイの日]" by ピカチュウくん. ''Pixiv''.</ref> Eevee Day would later be recognized by [[Game Freak]] employees such as [[Junichi Masuda]] as early as 2011.<ref>(November 21, 2011). [https://twitter.com/Junichi_Masuda/status/138569790435500032 Tweet by 増田順一@Pokémon (@Junichi_Masuda).] ''Twitter''.</ref>

==2017==
[[File:Project Eevee logo.png|thumb|250px|[[Project Eevee]] logo]]
The first official acknowledgement of Eevee Day by [[The Pokémon Company]] and [[Nintendo]] happened on this year with the launch of '''[[Project Eevee]]''' (Japanese: '''プロジェクトイーブイ'''),<ref>(November 21, 2017). "[https://www.nintendo.com/jp/topics/article/5953a8dd-c99e-11e7-8cda-063b7ac45a6d 本日11月21日は「イーブイの日」！？]" Nintendo (Japanese).</ref> an initiative that highlights Eevee and the Eeveelutions in various ways.<ref name=ProjectEevee>[https://www.pokemon.jp/special/project_eevee/ Project Eevee Official Website (Japanese)]</ref> The bulk of the project ran from November 2017 to December 2018.<ref name=ProjectEevee/>

===Social media===
A Project Eevee social media campaign was held from November 21 to 30, 2017. Users are encouraged to follow the official Twitter and Instagram accounts for Project Eevee (@project_eevee) and create posts with the #プロジェクトイーブイ hashtag. A lucky draw would be held for nine participants of the campaign to receive a set of Eevee plush wearing Eeveelution-themed ponchos. Eevee-themed photo panels and props were also put up on [[Pokémon Center (store)|Pokémon Center]] Mega Tokyo and Pokémon Center Osaka from November 21 to 26, 2017.<ref>(November 21, 2017). "[https://web.archive.org/web/20171123021409/https://www.pokemon.co.jp/info/2017/11/171121_cm01.html 「プロジェクトイーブイ」が発足！ SNSでキャンペーンに参加して、プレゼントをもらおう！]" Pokémon Official Website (Japanese). Archived on November 23, 2017.</ref><ref>(November 17, 2017). "[https://web.archive.org/web/20171122061251/http://www.pokemon.co.jp/info/2017/11/171117_p01.html 11月21日は、「イーブイの日」！ ポケモンセンターで、記念写真を撮ろう！]" Pokémon Official Website (Japanese). Archived on November 22, 2017.</ref>
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==2018==
[[File:Lets Go Eevee EN boxart.png|thumb|200px|[[Pokémon: Let's Go, Eevee!]]]]
===In the core series games===
{{LGPE}} were released worldwide on November 16, 2018, five days before Eevee Day. As such, many Eevee Day celebrations held during this year also incorporated the promotion and marketing of those games, including a {{wp|Shibuya}} takeover event on November 21.

===In the spinoff-games===
[[Pokémon GO]] held a '''Let's Go Celebration''' event from November 16 to 27, 2018. Pikachu Cap and Eevee Cap cosmetic items were available for purchase during this period. Also, as part of this event, certain Eeveelutions — namely {{p|Vaporeon}}, {{p|Jolteon}}, and {{p|Flareon}} — appeared alongside {{p|Raichu}} and {{rf|Alolan}} Raichu as {{GO|Raid Battle}} bosses from November 23 to 26, 2018.<ref>(November 16, 2018). "[https://pokemongo.com/post/letsgo-celebration Discover Meltan and more in celebration of Pokémon: Let’s Go, Pikachu! and Pokémon: Let’s Go, Eevee!]" Pokémon GO Official Website</ref>

===Merchandise===
The [[Eevee × Tamagotchi]] virtual pet toy line, based on [[Bandai]]'s {{wp|Tamagotchi|Tamagotchi Nano}} line, was revealed on November 21, 2018, for a Japan release date of January 26, 2019.<ref>(November 21, 2018). [https://twitter.com/project_eevee/status/1065121636565757952 Tweet by 【公式】プロジェクトイーブイ（続） (@project_eevee).] ''Twitter''.</ref> The Eevee × Tamagotchi allows the player to raise a virtual Eevee and evolve it into one of its possible Eeveelutions.<ref>[http://web.archive.org/web/20181121111520/http://tamagotch.channel.or.jp/tamagotchi/eievui/ Eevee × Tamagotchi] — Tamagotchi Official Home Page (Japanese). Archived on November 21, 2018.</ref>

===Social media===
As part of the then-ongoing [[Project Eevee]], a Twitter giveaway campaign was held from November 21 to 30, 2018. By tweeting with the #イーブイの日 hashtag, participants were able to enter the giveaway for various Eevee-related prizes, given to a total of 100 selected winners. Prizes were revealed depending on the number of tweets posted during the campaign period, as follows:<ref name=PRTimes20181121/><ref>[https://www.pokemon.jp/special/project_eevee/1121day/ Eevee Day giveaway campaign] — Project Eevee Official Website (Japanese)</ref>
* "E" Prize: Eevee "King File" Binder, given to 70 winners. Part of a collaboration with {{wp|ja:キングジム|KING JIM Co. Ltd.}} Revealed at 121 tweets.
* "V" Prize: Set of 3 exclusive "Eevee's Company Tour" plush toys, given to 21 winners. Revealed at 1,121 tweets.
* "Let's Go!" Prize: A [[Pokémon: Let's Go, Eevee!]] and [[Poké Ball Plus]] bundle, plus an Eevee clear file folder signed by Eevee's voice actress [[Aoi Yūki]], given to 9 winners. Revealed at 11,210 tweets.

===Other===
A Shibuya takeover event promoting both Eevee Day and {{LGPE}} was held on November 21, 2018, featuring Eevee-themed advertisements playing on billboards and billboard trucks.<ref name=PRTimes20181121/>
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==2019==
=== Merchandise ===
The Eevee [[Funko Pops|Funko POP!]] figure was released on November 21, 2019. A 10-inch super-sized variant was released as a {{wp|Target Corporation|Target}} exclusive on November 29, 2019.

===Social media===
A tweet by [[Junichi Masuda]] posted on November 21, 2019 acknowledges Eevee Day alongside various Pokémon celebrations, namely the 20th anniversary of {{game|Gold and Silver|s}}, the 17th anniversary of {{game|Ruby and Sapphire|s}}, and the 5th anniversary of {{g|Omega Ruby and Alpha Sapphire}}.<ref>(November 21, 2019). [https://twitter.com/Junichi_Masuda/status/1197361139329290241 Tweet by 増田順一@Pokémon (@Junichi_Masuda).] ''Twitter''.</ref>
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==2020==
[[File:Ichiban Kuji Pokémon EIEVUI Colorful Art key artwork.jpg|thumb|250px|"Ichiban Kuji Pokémon EIEVUI & Colorful Art" key artwork]]
=== Merchandise ===
The "'''Ichiban Kuji Pokémon EIEVUI & Colorful Art'''" (Japanese: '''{{j|「一番くじ Pokémon EIEVUI＆Colorful Art」}}''') merchandise line produced in partnership with Bandai Spirits was announced for release on November 21, 2020.<ref>(November 10, 2020). "[https://www.famitsu.com/news/202011/10209163.html 【ポケモン】アートをテーマにしたイーブイの一番くじが11月21日発売。ぬいぐるみや絵画のようなお皿など、かわいくておしゃれなラインアップ]." ''Famitsu'' (Japanese).</ref> In the Ichiban Kuji (literally "Number One Sweepstakes") lottery system, customers purchase tickets to win a random merchandise from a set selection. The Ichiban Kuji Pokémon EIEVUI & Colorful Art merchandise line features Eevee and the Eeveelutions depicted with various artist's tools, and the lineup consists of the following:<ref>(November 18, 2020). "[https://www.pokemon.jp/info/goods/detail/20145.html 【一番くじ】今回はイーブイたちの大人カラフルがテーマ！ 「一番くじ Pokémon EIEVUI＆Colorful Art」が登場！]" Pokémon Daisuki Club website (Japanese).</ref><ref>[https://1kuji.com/products/eievui_2020-02 一番くじ Pokémon EIEVUI＆Colorful Art] — Ichiban Kuji Official Website</ref>
* "A" Prize and Double Chance Campaign Prize: "Drawing Eevee" plush
* "B" Prize: "Cuddly Eevee" plush
* "C" Prize: Desktop mirror figure
* "D" Prize: Art blanket, 100 cm
* "E" Prize: Art-decorated plates (5 types)
* "F" Prize: Art towel handkerchiefs (5 types)
* "G" Prize: Colored metal charms (9 types)
* "Last One" Prize: "Mischievous Eevee" plush
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==2021==
[[File:WAN56.jpg|thumb|250px|[[Wild Area News]] banner from [[Pokémon Sword and Shield]]]]
===In the core series games===
In [[Pokémon Sword and Shield]], a {{DL|Wild Area News/2021|November 19 to 28, 2021|Wild Area News}} event exclusively featuring Eevee and its Evolutions was held from November 19 to 28, 2021.<ref>(November 19, 2021). "[https://www.pokemon.com/us/pokemon-news/encounter-eevee-and-its-evolutions-in-max-raid-battles Encounter Eevee and Its Evolutions in Max Raid Battles]." Pokemon.com</ref>

===Merchandise===
As part of the fourth annual collaboration between Pokémon and the Japanese doughnut store chain {{wp|Mister Donut}}, Eevee donuts were released for the first time beginning November 12, 2021.<ref>(November 10, 2021). "[https://hobby.dengeki.com/news/1391088/ ミスドに「イーブイ ドーナツ」が新登場！11月12日から『ポケモン』のドーナツやグッズ付きクリスマスセットが期間限定で発売!!]" ''Dengeki Hobby Web'' (Japanese).</ref>
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==2022==
[[File:Masters Eevee Day Celebration Three Eevee Tales.png|thumb|250px|"Three Eevee Tales" announcement image from [[Pokémon Masters EX]]]]
===In the core series games===
[[Pokémon Scarlet and Violet]] held its first [[Tera Raid Battle]] event, known as '''Eevee Spotlight''' (Japanese: '''イーブイピックアップ''' ''Eievui Pickup''), via {{DL|Poké Portal News/2022|November 25 to 27, 2022|Poké Portal News}} from November 25 to 27, 2022. {{p|Eevee}} with various Tera Types appeared more frequently in Tera Raid Battles.

===In the spin-off games===
* The first annual [[Eevee Day Celebration!]] event, also titled '''Three Eevee Tales''', made its debut in [[Pokémon Masters EX]] and ran from November 21 to December 5, 2022. This event introduced the [[sync pair]]s of {{sync|Lyra|Vaporeon}}, {{sync|Kris|Jolteon}}, and {{sync|Lucas|Flareon}}.
* [[Pokémon Café ReMix]] held its fifth One Minute Cooking Event featuring Festive {{p|Flareon}} from November 9 to 23, 2022.
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==2023==
[[File:PPN36.jpg|thumb|250px|7★ Eevee event banner from [[Pokémon Scarlet and Violet]]]]
===In the core series games===
[[Pokémon Scarlet and Violet]] held two different [[Poké Portal News]] events from November 17 to 20, 2023, in celebration of Eevee Day:
* The '''Prepare for Mass Outbreaks of Eevee!''' event caused {{p|Eevee}} to appear in Mass Outbreaks across both [[Paldea]] and [[Kitakami]].<ref>[https://sv-news.pokemon.co.jp/en/page/150.html Prepare for Mass Outbreaks of Eevee! | Poké Portal News]</ref> There's a chance of getting the Jittery Mark, Intense Mark, Intellectual Mark, or Flustered Mark in Paldea, or the Rowdy Mark, Excited Mark, Calmness Mark, or Unsure Mark in Kitakami.
* The 36th [[Tera Raid Battle]] event was Eevee with the Mightiest [[Mark]], granting the [[title]] '''Eevee the Unrivaled''', which appeared at 7★ black Tera Raid crystals. The Eevee appearing during this event had {{t|Normal}} as its [[Terastal phenomenon|Tera]] [[Type]]. This Eevee can only be caught once per save file.

===In the spin-off games===
[[File:Pokémon Café ReMix Eevee Day Artwork.png|thumb|250px|Promotional image for the 2023 Eevee Day event in [[Pokémon Café ReMix]]<ref name=CafeRemix2023/>]]
* Various events were held on [[Pokémon Masters EX]] in celebration of Eevee Day 2023:
** The [[Eevee Day Celebration!]] event made a second run this year from November 21 to December 8, 2023. The event's other title was changed from Three Eevee Tales to '''Eevee Tales''', which is retained for future runs of this event. This event introduced the [[sync pair]]s of {{sync|Elio|Espeon}} and {{sync|Selene|Umbreon}}.
** [[Story event]]s:
*** '''[[Veevee on Pasio!]]''' was held from November 10 to 30, 2023, and focused on the sync pair of {{sync|Penny|Sylveon}}
*** '''[[Let's Go In Search of Wonder]]''' was held from November 17 to December 4, 2023, and focused on the sync pairs of {{sync|Elaine|Eevee}} and {{sync|Eve|Eevee|Poké Kid}}. The "Elaine Poké Fair Scout" gave players an increased chance of recruiting Elaine & Eevee from the beginning of the event to December 7, 2023.
** The '''{{DL|Egg event|Many Possibilities}}''' Egg event was held from November 21 to December 5, 2023, allowing players to obtain [[Pokémon Eggs]] that hatch into Eevee, which would then evolve into one of its Evolutions.
* [[Pokémon Sleep]] held its first annual '''Eevee Week''' event, which ran from November 20 to 26, 2023. During this event, players would have a greater chance of encountering [[sleep style]]s of {{p|Eevee}} and the [[Eeveelutions]], as well as {{Shiny}} Eevee. Players also received various bonuses, including 1,121 sleep points given to players who do sleep research on November 21. Special bundles including Eevee {{Sleep|Candy}} and Eevee {{Sleep|Incense}} were on sale in the store during the event.<ref>(November 17, 2023). "[https://www.pokemonsleep.net/en/news/3637333530393337393131343237303733/ Eevee Week 2023]." Pokémon Sleep Official Webpage.</ref>
* [[Pokémon Café ReMix]] held an Eevee Day event beginning November 21, 2023:<ref name=CafeRemix2023>(November 17, 2023). "[https://www.poke-maze.jp/news/detail/283.html パズルゲーム『ポケまぜ』にイーブイ大量来店!?まだまだ続くよリニューアル2周年！]." Pokémon Café ReMix Official Website (Japanese).</ref>
** From November 21 to 22, 2023, Eevee appeared more often when completing orders.
** An Eevee Outfit Bundle was available for purchase until December 1, 2023. This bundle includes the Eevee (Chef's Whites), Eevee (Holiday) and Ditto (Pretend Eevee) outfits.
** The Vee Vee Festival stamp campaign ran until December 4, 2023. Players would receive bonuses, including a total of 21 Rare Tarts, by logging in each day for 10 days during the campaign.
** The Vee Vee Festival Challenge card ran from November 17 to December 1, 2023. Completing the challenge card allows the player to recruit a female Eevee.<ref>[https://www.serebii.net/cafemix/challengecard/veeveefestivalchallenge.shtml Vee Vee Festival Challenge Challenge Card - Pokémon Café ReMix]. [[Serebii.net]]</ref>

===Merchandise===
The Pearlescent Eevee [[Funko Pops|Funko POP!]] figure was released as a [[Pokémon Center (store)|Pokémon Center]] exclusive on November 27, 2023.

===Social media===
* The animated music video "Lots of Eevee" (Japanese: イーブイがいっぱい ''Eievui ga Ippai'') was uploaded to the [[Pokémon Kids TV]] YouTube channel on November 21, 2023.<ref>(November 21, 2023). [https://www.youtube.com/watch?v=L2weiGi_cnY 【ポケモン公式】イーブイがいっぱい－ポケモン Kids TV【こどものうた】] — [[Pokémon Kids TV|Pokémon Kids TV Japan]]. ''YouTube''.</ref>
* On November 21, 2023, the Instagram account [[Pokémon card art life]] posted three textless artworks of three [[Pokémon Trading Card Game]] cards depicting Eevee. These cards are {{TCG ID|Eevee Heroes|Eevee|58}} from the {{TCG|Eevee Heroes}} subset, {{TCG ID|Pokémon GO|Radiant Eevee|55}} from the Japanese {{TCG|Pokémon GO}} subset, and the {{TCG|S-P Promotional cards|S-P Promotional}} {{TCG ID|S-P Promo|Eevee VMAX|101}}.
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==2024==
[[File:Sleep Eevee Week 2024 Event Art.png|thumb|250px|Promotional image for Eevee Week 2024 in [[Pokémon Sleep]]]]
===In the spin-off games===
* Various events were held on [[Pokémon Masters EX]] in celebration of Eevee Day 2024:
** The [[Eevee Day Celebration!]] event, also known as '''Eevee Tales''', made a third run this year from November 21 to December 6, 2024. This event introduced the [[sync pair]]s of {{sync|Hilda|Leafeon}}, {{sync|Hilbert|Glaceon}}, and {{sync|Calem|Sylveon}}.
** The '''Super Sparring No. 4''' [[ranked damage event]] was held from November 21 to 29, 2024. The opponents for this particular ranked damage event all use Eeveelutions.
** Previous events focusing on Eevee and the Eeveelutions were rerun as well, from November 21 to December 6, 2024:
*** The [[Let's Go In Search of Wonder]] story event, focusing on the sync pairs of {{sync|Elaine|Eevee}} and {{sync|Eve|Eevee|Poké Kid}}.
*** The [[Travelers from a Distant Past]] story event, focusing on the sync pairs of {{sync|Adaman|Leafeon}} and {{sync|Irida|Glaceon}}.
*** The '''{{DL|Egg event|Many Possibilities}}''' Egg event, allowing players to obtain [[Pokémon Eggs]] that hatch into Eevee, which would then evolve into one of its Evolutions.
* The '''Eevee Week''' event returned in [[Pokémon Sleep]] from November 18 to 24, 2024. The bonuses from the 2023 Eevee Week event returned, including greater chances of encountering a {{Shiny}} Eevee and the 1,121 sleep points on November 21.<ref>(November 8, 2024). "[https://www.pokemonsleep.net/en/news/313936383432303133383535383432333035/ Event: Eevee Week 2024]." Pokémon Sleep Official Webpage.</ref> Additionally, a {{p|Sylveon}} {{Sleep|Incense}} was available as a special gift to all players who logged in to the game from November 18 to 25, 2024.<ref>(November 18, 2024). "[https://www.pokemonsleep.net/en/news/323031303534303436353439373034373035/ A Sylveon Bedtime Story Commemorative Gift]." Pokémon Sleep Official Webpage.</ref>
** The animated short ''[[A Sylveon Bedtime Story]]'' was released on November 14, 2024, to promote the 2024 Eevee Week event.
* The '''Eevee Festival 2024''' event was held in [[Pokémon UNITE]] from November 14 to December 5, 2024.
** By logging in and completing the "Take a Walk with Eevee" event, players were able to obtain a License Selection Box which allows them to select a [[Unite license]] for one of the Eeveelutions available in the game: {{p|Espeon}}, {{p|Umbreon}}, {{p|Leafeon}}, {{p|Glaceon}}, and {{p|Sylveon}}. Additional Unite licenses for the Eeveelutions may be obtained by exchanging License Fragments, which could be obtained by completing the Eevee Festival Challenge and Eevee Appeal-o-rama Challenge quests.<ref name=UNITE20241121>(November 14, 2024). "[https://www.pokemonunite.jp/ja/news/285/ 『Pokémon UNITE（ポケモンユナイト）』本日ついにコダックが参戦！ さらにイーブイの日を記念して好きなイーブイ進化形のライセンスをプレゼント！]" Pokémon UNITE Official Website (Japanese).</ref>
** The event-exclusive {{DL|Shivre City|Eevee Appeal-o-rama}} battle mode, which was first introduced in May 25, 2023 and only allows players to battle using Eevee and the Eeveelutions, made a return during this event.<ref name=UNITE20241121/> 

===Merchandise===
[[File:Pokémon Café Eevee Set Menu 2024.jpg|thumb|250px|[[Pokémon Cafe]] Eevee set menu from 2024, with stickers (right) included with every purchase]]
* Beginning on November 21, 2024, [[Pokémon Cafe]] offers a set menu of Eevee Mixed Rice Platter and Royal Milk Tea, with a free sticker included with every purchase while supplies last. Eevee-themed latte art and melamine Eevee plates for purchase are also made available at the same time.<ref>(November 21, 2024). "[https://www.pokemon-cafe.jp/ja/cafe/news/241121_1581.html イーブイづくしのセットメニューが登場！ステッカーがもらえるよ！]" Pokémon Cafe Official Site (Japanese).</ref>
* The Pokémon {{wp|Tokyo Banana}} snack line announced the release of the "Overflowing Chocolate Cookie Sandwich Special Tin (Eevee)", which consists of twelve chocolate sandwich cookies and six Eevee stickers packaged in a tin. The chocolate cookies packaged in the tin include a Pikachu cookie with a banana yoghurt flavor, and an Eevee cookie with a caramel macchiato flavor. Additionally, to celebrate both Eevee Day and the 4th anniversary of the Pokémon Tokyo Banana snack line, a campaign was held beginning November 21, 2024, in which Eevee sticky notes were given to customers who purchased a Pokémon Tokyo Banana product at participating stores while supplies last.<ref>(November 13, 2024). "[https://prtimes.jp/main/html/rd/p/000001438.000025606.html 【ポケモン東京ばな奈】大人気のクッキーサンドがイーブイ缶になって誕生！キラキラおめめのイーブイが可愛すぎるスペシャルステッカー付き]" 株式会社グレープストーン ({{wp|ja:グレープストーン|Grapestone Co. Ltd.}}) on PR Times.</ref>

===Social media===
* The animated music video "You Are Eevee" (Japanese: キミはイーブイ ''Kimi wa Eievui'') was uploaded to the [[Pokémon Kids TV]] YouTube channel on November 19, 2024.<ref>(November 19, 2024). [https://www.youtube.com/watch?v=8al8snK4IAg 【ポケモン公式】キミはイーブイ－ポケモン Kids TV【こどものうた】] — [[Pokémon Kids TV|Pokémon Kids TV Japan]]. ''YouTube''.</ref>
* The [[Animated Pokédex]] episode featuring Eevee was released on the Chinese social media {{wp|Xiaohongshu}} and as a YouTube Short on the official Japanese Pokémon [[YouTube]] channel on November 21, 2024.
* On November 21, 2024, various official Pokémon social media outlets revealed [[Pokémon Trading Card Game]] {{TCG|special illustration rare}} cards of Eevee and the [[Eeveelution]]s for the then-upcoming Japanese {{TCG|Terastal Fest ex}} subset, which features Eevee and the Eeveelutions as {{TCG|Pokémon ex}} cards.
** {{TCG ID|Terastal Fest ex|Glaceon ex|206}} was revealed on the official Japanese Pokémon Twitter account,<ref>(November 21, 2024). [https://twitter.com/Pokemon_cojp/status/1859421731531735071 Tweet by ポケモン公式 (@Pokemon_cojp).] ''X (formerly Twitter)''.</ref> {{TCG ID|Terastal Fest ex|Sylveon ex|212}} was revealed on the [[Pokémon Card Channel]],<ref>(November 21, 2024). [https://www.youtube.com/watch?v=baVCuSBhAGY 【初公開】イーブイの日SP！ニンフィアexのSAR（スペシャルアートレア）が可愛すぎる！！！【テラスタルフェスex/ポケカ/ポケモンカード】] — [[Pokémon Card Channel|[Official] Pokémon Card Channel]] (Japanese). ''YouTube''.</ref> and {{TCG ID|Terastal Fest ex|Umbreon ex|217}} was revealed on the official Pokémon Information Bureau (@poke_times) Twitter account.<ref>(November 21, 2024). [https://twitter.com/poke_times/status/1859421731057713250 Tweet by 【公式】ポケモン情報局 (@poke_times).] ''X (formerly Twitter)''.</ref> All three reveals occurred simultaneously on November 21, 2024, at 11:21 JST. {{TCG ID|Terastal Fest ex|Eevee ex|223}} was revealed on the official [[Project Eevee]] Twitter account on the same day at 12:00 JST.<ref>(November 21, 2024). [https://twitter.com/project_eevee/status/1859431543908835614 Tweet by 【公式】プロジェクトイーブイ（続） (@project_eevee).] ''X (formerly Twitter)''.</ref>
** Other Eeveelution cards were revealed in YouTube Shorts uploaded to the Pokémon Card Channel in the following days, namely {{TCG ID|Terastal Fest ex|Vaporeon ex|205}},<ref>(November 22, 2024). [https://www.youtube.com/shorts/Gg95ibKWi5s シャワーズexのSARが新登場！透明感あふれるイラストが美しすぎる…！【テラスタルフェスex/ポケカ/ポケモンカード】 #shorts] — [[Pokémon Card Channel|[Official] Pokémon Card Channel]] (Japanese). ''YouTube''.</ref> {{TCG ID|Terastal Fest ex|Jolteon ex|209}},<ref>(November 23, 2024). [https://www.youtube.com/shorts/imT4J1qMKMQ サンダースexのSARが新登場！かっこよく可愛くスタイリッシュで最高です…！【テラスタルフェスex/ポケカ/ポケモンカード】#shorts] — [[Pokémon Card Channel|[Official] Pokémon Card Channel]] (Japanese). ''YouTube''.</ref> and {{TCG ID|Terastal Fest ex|Flareon ex|202}}.<ref>(November 24, 2024). [https://www.youtube.com/shorts/-BCUwOyTALI ブースターexのSARが新登場！熱さと美しさを併せ持つイラストから目が離せない…！【テラスタルフェスex/ポケカ/ポケモンカード】#shorts] — [[Pokémon Card Channel|[Official] Pokémon Card Channel]] (Japanese). ''YouTube''.</ref>
<gallery>
GlaceonexPrismaticEvolutions150.jpg|Glaceon ex revealed on Eevee Day
SylveonexPrismaticEvolutions156.jpg|Sylveon ex revealed on Eevee Day
UmbreonexPrismaticEvolutions161.jpg|Umbreon ex revealed on Eevee Day
EeveeexPrismaticEvolutions167.jpg|Eevee ex revealed on Eevee Day
VaporeonexPrismaticEvolutions149.jpg|Vaporeon ex revealed 1 day after Eevee Day
JolteonexPrismaticEvolutions153.jpg|Jolteon ex revealed 2 days after Eevee Day
FlareonexPrismaticEvolutions146.jpg|Flareon ex revealed 3 days after Eevee Day
</gallery>

===Other===
On November 21, 2024, [[The Pokémon Company International]] published an article in honor of Eevee Day, including various facts and figures about Eevee and the Eeveelutions.<ref>(November 21, 2024). "[https://www.pokemon.com/us/pokemon-news/celebrate-eevee-day-with-the-411-on-eevee-and-its-evolutions Celebrate Eevee Day with the 411 on Eevee and its Evolutions]." Pokemon.com</ref>

===="I Can't Choose, Eevee"====
[[File:I Cant Choose Eevee.png|thumb|150px|''I Can't Choose, Eevee'' cover art]]
{{main|I Can't Choose, Eevee}}
To commemorate Eevee Day, a manga series by Saji Komori and Nishiki Suzumori began serialization on the @poke_times X (Twitter) account on November 21, 2024. It focuses on a young photographer and his Eevee as they explore their respective futures. The series contains five chapters, and its ending was determined by the number of reposts each of the previous chapters received.<ref>[https://twitter.com/poke_times/status/1859552353319321933 @poke_times (November 21st, 2024). "学生とイーブイが進路と進化に悩む話　1話（0/4）]</ref>

On January 21st, 2025, both alternate endings of the manga were posted on the @poke_times X account.
{{-}}

==2025==
[[File:Year of Eevee logo and key artwork.png|thumb|250px|"Year of Eevee" logo and key artwork]]
In addition to regular Eevee Day celebrations, the entire year of 2025 was also designated as the "Year of Eevee" by [[The Pokémon Company International]].<ref>[https://www.pokemoncenter.com/year-of-eevee Year of Eevee] | Pokémon Center Official Site</ref>
===In the spin-off games===
* In [[Pokémon GO]], [[Dynamax]] Eevee debuted for the '''Dynamax Eevee Max Battle Weekend''' event, which ran from November 21, 2025 at 6:00 to November 24, 2025 at 21:00 local time.<ref>(November 6, 2025). "[https://pokemongo.com/news/eevee-max-battle-weekend-2025 Dynamax Eevee makes its Pokémon GO debut!]" Pokémon GO Official Website</ref>
* Various events were held on [[Pokémon Masters EX]] in celebration of Eevee Day 2025:
** The [[Eevee Day Celebration!]] event, also known as '''Eevee Tales''', made a fourth run this year from November 21 to December 5, 2025. This event introduced the [[sync pair]] of {{sync|Chase|Eevee}}.
** The '''{{DL|Egg event|Many Possibilities}}''' Egg event also returned from November 21 to December 5, 2025, allowing players to obtain [[Pokémon Eggs]] that hatch into Eevee, which would then evolve into one of its Evolutions.
* In [[Pokémon Sleep]], an Eevee {{Sleep|Incense}} and 1,121 sleep points were given as a gift to all players who log in from November 21, 2025 to February 21, 2026.<ref>(November 21, 2025). "[https://www.pokemonsleep.net/en/news/333335383636343432333837383136343439/ Eevee Day Commemorative Gift]." Pokémon Sleep Official Webpage.</ref>
* In [[Pokémon Trading Card Game Live]], the "Eevee Sleevees"{{sic}} bundle consisting of the "{{TCGMerch|Sword & Shield|Series|February 2022 Pokémon Center accessories|Eevee: Breakaway}}" and "{{TCGMerch|Sword & Shield|Series|July 2021 Pokémon Center accessories|Eevee: Prismatic}}" card sleeves was made available for free to all players who logged in from November 14 to 27, 2025.<ref>(November 14, 2025). [https://twitter.com/PokemonTCGLive/status/1989075798733553939 Tweet by Pokémon TCG Live (@PokemonTCGLive).] ''Twitter''.</ref>
* {{UNITE|Vaporeon}} was released as a playable Pokémon in [[Pokémon UNITE]] on November 20, 2025. The Eevee Festival 2025 event was held from November 21 to December 7, 2025, with various Eevee-related sub-events and bonuses.<ref>(November 20, 2025). "[https://www.pokemonunite.jp/ja/news/379/ 『Pokémon UNITE（ポケモンユナイト）』にシャワーズが11月20日（木）より参戦！]" Pokémon UNITE Official Website (Japanese).</ref>

===Merchandise===
* On November 14, 2025, the '''Eevee Collection''' (Japanese: '''イーブイコレクション''') original merchandise line was announced for sale beginning on November 21, 2025.<ref>(November 14, 2025). "[https://www.pokemon.co.jp/goods/2025/11/251114_to01.html 「Eevee Collection（イーブイコレクション）」が、ポケモンセンターに登場！]" Pokémon Official Website (Japanese).</ref> The merchandise line features artwork by Nekosuke (ねこ助).<ref>(November 17, 2025). [https://twitter.com/m_oxo/status/1990383445131092177 Tweet by ねこ助 (@m_oxo).] ''Twitter''.</ref>
* The Japanese home and lifestyle brand BRUNO released the '''Eevee Friends''' (Japanese: '''イーブイフレンズ''') line of table and kitchen ware on November 21, 2025.<ref>(November 21, 2025). [https://twitter.com/Pokemon_cojp/status/1991703112378089657 Tweet by ポケモン公式 (@Pokemon_cojp).] ''Twitter''.</ref> These include a compact hot plate with built-in Eeveelution-shaped pancake molds, a multi-purpose stick blender set, an enamel kettle, and a set of lidded stainless steel mugs.<ref>[https://bruno-onlineshop.com/ext/feature/bruno/pokemon_2025/ ポケモンキッチンアイテム第3弾 イーブイフレンズデザインが登場！] ｜ ブルーノ（BRUNO）official website (Japanese).</ref>

===Social media===
* The Eevee-themed animated music video "Waiting for You ∞ Miracle" (Japanese: キミまつ∞ミラクル ''Kimi Matsu ∞ Miracle'') was uploaded to the [[Pokémon Kids TV]] YouTube channel on November 21, 2025.<ref>(November 21, 2025). [https://www.youtube.com/watch?v=_XG_efZnTm8 【ポケモン公式】イーブイたちのうた「キミまつ∞ミラクル」 ～ワクワクバージョン～－ポケモン Kids TV【こどものうた】] — [[Pokémon Kids TV|Pokémon Kids TV Japan]]. ''YouTube''.</ref>
* On November 21, 2025, the official [[Pokémon feat. Hatsune Miku Project VOLTAGE 18 Types/Songs]] Twitter account announced that Eevee will appear at the [[Pokémon feat. Hatsune Miku VOLTAGE Live!]] concert held from March 20 to 22, 2026, performing the song "[[JUVENILE]]" live on stage together with Hatsune Miku.<ref>(November 21, 2025). [https://twitter.com/PokeMikuVOLTAGE/status/1991801275223285958 Tweet by ポケモン feat. 初音ミク Project VOLTAGE 公式【ポケミク】 (@PokeMikuVOLTAGE).] ''Twitter''.</ref>
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==Other occurrences==
Besides Eevee Day, various other Pokémon-related occurrences have happened on November 21:
* November 21, 1997: The {{TCG|Team Rocket|Rocket Gang|}} {{PTCG}} expansion was released in Japan.
** This expansion features an {{TCG ID|Rocket|Eevee|Gang}} card and [[Dark Pokémon (TCG)|Dark variants]] of its Evolutions.
* November 21, 1999: {{game|Gold and Silver|s}} released in Japan.
** This game introduced {{p|Espeon}} and {{p|Umbreon}}.
* November 21, 2002: {{game|Ruby and Sapphire|s}} released in Japan. The animated series tie-in {{aniseries|AG}} (known in Japan as ''Advanced Generation'') first aired in Japan at the same time.
* November 21, 2003: {{g|Colosseum}} released in Japan.
** Espeon and Umbreon are [[Wes]]'s [[List of the player's first Pokémon|first Pokémon]] in this game.
* November 21, 2008: {{g|Ranger: Shadows of Almia}} released in Europe.
** This game's localization is the first instance of the word "[[Eeveelution]]" being used in a video game.
* November 21, 2013: The official Pokémon [[LINE]] account was officially announced to have been released.
* November 21, 2014: {{g|Omega Ruby and Alpha Sapphire}} released internationally (except in Europe, where it was released one week later).

==In other languages==
{{Langtable|color={{Let's Go Eevee color}}|bordercolor={{Let's Go Eevee color dark}}
|ja=イーブイの日 ''Eievui no Hi''
|zh_yue=伊布日 ''Yībou Yaht''
|zh_cmn=伊布日 ''Yībù Rì''
|fr=Journée Évoli
|de=Evoli-Tag
|id=Hari Eevee
|it=Festa di Eevee<br>Giornata di Eevee
|ko=이브이의 날 ''Eevee-ui Nal''
|pt_br=Dia de Eevee
|es_la=Día de Eevee
|es_eu=Día de Eevee
|th=
}}

==Related articles==
* {{p|Eevee}}
* [[Eeveelution]]

==References==
<references/>

{{Project Real-Life notice}}
[[Category:Events]]