January • February • March • April • May • June • July • August • September • October • November • December
1st
- 2014: Episode 16 of Digimon Fusion is accidentally leaked on the Nicktoons website.
2nd
- 2003: Episode 42 of Digimon Frontier airs in Japan for the first time.
3rd
- 2001: Episodes 26, 27 and 28 of Digimon Adventure 02 air in English for the first time.
- 2002: Episode 44 of Digimon Tamers airs in Japan for the first time.
4th
- 2001: Episode 43 of Digimon Adventure 02 airs in Japan for the first time.
- 2007: Episode 42 of Digimon Savers airs in Japan for the first time.
- 2008: Episode 17 of Digimon Data Squad airs in English for the first time.
5th
- 2000: Episodes 34 and 35 of Digimon Adventure air in English for the first time.
- 2002: The single The last element is released in Japan for the first time.
6th
- 2000: Episode 47 of Digimon Adventure airs in Japan for the first time.
- 2002: The Digimon Girls Festival album is released in Japan.
7th
- 2020: The Digimon Adventure: Last Evolution Kizuna novelizations by Dash X and Mirai are released in Japan for the first time.
8th
Nothing is currently known to have happened on this day.
9th
- 2002: Episodes 26 and 27 of Digimon Tamers air in English for the first time.
- 2003: Episode 43 of Digimon Frontier airs in Japan for the first time.
10th
- 2001: Episodes 29 and 30 of Digimon Adventure 02 air in English for the first time.
- 2003: Episode 23 of Digimon Frontier airs in Japan for the first time.
11th
- 2001: Episode 44 of Digimon Adventure 02 airs in Japan for the first time.
- 2003: Episode 24 of Digimon Frontier airs in English for the first time.
- 2007: Episode 43 of Digimon Savers airs in Japan for the first time.
- 2008: Episode 18 of Digimon Data Squad airs in English for the first time.
12th
- 2000: Episodes 36 and 37 of Digimon Adventure air in English for the first time.
- 2003: Episode 25 of Digimon Frontier airs in English for the first time.
13th
- 2000: Episode 48 of Digimon Adventure airs in Japan for the first time.
- 2003: Episode 26 of Digimon Frontier airs in English for the first time.
14th
- 2003: Episode 27 of Digimon Frontier airs in English for the first time.
- 2008: Digimon Championship is released in Japan for the Nintendo DS.
15th
- 2011: Episode 27 of Digimon Xros Wars airs in Japan for the first time.
16th
- 2002: Episodes 28 and 29 of Digimon Tamers air in English for the first time.
- 2003: Episode 44 of Digimon Frontier airs in Japan for the first time.
17th
- 2001: Episodes 31 and 32 of Digimon Adventure 02 air in English for the first time.
- 2002: Episode 45 of Digimon Tamers airs in Japan for the first time.
- 2003: Episode 28 of Digimon Frontier airs in English for the first time.
- 2014: Episodes 16 and 17 of Digimon Fusion air in the United States of America for the first time.
18th
- 2001: Episode 45 of Digimon Adventure 02 airs in Japan for the first time.
- 2003: Episode 29 of Digimon Frontier airs in English for the first time.
- 2008: Episode 19 of Digimon Data Squad airs in English for the first time.
19th
- 2000: Episodes 38 and 39 of Digimon Adventure air in English for the first time.
- 2003: Episode 30 of Digimon Frontier airs in English for the first time.
20th
- 2000: Episode 49 of Digimon Adventure airs in Japan for the first time.
- 2003: Episode 31 of Digimon Frontier airs in English for the first time.
21st
- 2015: Digimon Story: Cyber Sleuth (manga) is published in Japan for the first time.
- 2020: Digimon Adventure: Last Evolution Kizuna is released in theaters in Japan for the first time.
22nd
Nothing is currently known to have happened on this day.
23rd
- 2002: Episodes 30 and 31 of Digimon Tamers air in English for the first time.
- 2003: Episode 45 of Digimon Frontier airs in Japan for the first time.
- 2014: Episode 18 of Digimon Fusion airs in the United States of America for the first time.
24th
- 2001: Episodes 33 and 34 of Digimon Adventure 02 air in English for the first time.
- 2002: Episode 46 of Digimon Tamers airs in Japan for the first time.
- 2002: Digimon Rumble Arena is released in North America for the PlayStation.
25th
- 2001: Episode 46 of Digimon Adventure 02 airs in Japan for the first time.
- 2007: Episode 44 of Digimon Savers airs in Japan for the first time.
- 2008: Episode 20 of Digimon Data Squad airs in English for the first time.
26th
- 2000: Episodes 40 and 41 of Digimon Adventure air in English for the first time.
27th
- 2000: Episode 50 of Digimon Adventure airs in Japan for the first time.
28th
Nothing is currently known to have happened on this day.
29th
Nothing is currently known to have happened on this day.