History of the Digi-Battle Card Game
This is a timeline of events related to the Digi-Battle card game. Some dates are speculations but I'm pretty sure they're close enough. It's sad to see but the original Digi-Battle cards seem to have only been released for a single year. If you can pinpoint more specific dates or if any of the below information is incorrect then please correct me.
Dates are in format day/month/year and when a specific date is not known it is substituted with "00".
1999-11-20
Upper Deck announce plans to create the Digi-Battle card game with Bandai.
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2000-02
Initial release of Digi-Battle, including the Starter Set and Booster Set 1.
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2000-05-23
Digimon World is released alongside the DW-01 promotional card.
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2000-07-13
Taco Bell promotional cards are released. The promotion runs until 2000-09-09.
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2000-08-15
Upper Deck update their website to announce the release of Booster Set 2.
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2000-09-02
The Digimon Weekend takes place at Universal Studios Hollywood. The UN-01 Goldramon promotional card is distributed exclusively during the event.
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2000-10-06
Digimon: The Movie promotional cards are released alongside the theatrical release of Digimon: The Movie.
2000-10
DM-01 Omnimon and DM-02 The Miracle 4 are released with action figures as part of the Digimon: The Movie promotional campaign.
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2000-12
Fox Kids promotional cards FX-08, FX-09 and FX-10 are released in the Winter 2000 issue of Fox Kids Magazine.
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2000-12-06
The German Comic promotional version of DW-01 is released.
2001
The Cereal Promo set is released in the UK, based on the copyright and best-before dates printed on the cereal boxes.
2001-05-04
Upper Deck remove all traces of Digimon from their website.
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2001-06-28
Digimon Digital Card Battle (PlayStation) is released in Western regions. This game is unrelated to the Digi-Battle trading card game.