Template:OTD/February 21

• 1968: Voice actor Ietomi Youji is born.
• 1971: Voice actor Doug Erholtz is born.
• 1999: Chapter 04 of Digimon Adventure V-Tamer 01 is published in Japan.
• 2000: Chapter 16 of Digimon Adventure V-Tamer 01 is published in Japan.
• 2001: Chapter 28 of Digimon Adventure V-Tamer 01 is published in Japan.
• 2001: Digimon Adventure 02: Vol. 1: Digimon Hurricane Landing!!/Vol. 2: Transcendent Evolution!! The Golden Digimentals is released on DVD in Japan.
• 2001: The single Friend ~Itsumademo Wasurenai~ is released in Japan.
• 2002: Chapter 40 of Digimon Adventure V-Tamer 01 is published in Japan.
• 2003: Chapter 52 of Digimon Adventure V-Tamer 01 is published in Japan.
• 2006: Chapter 03 of Digimon Next is published in Japan.
• 2007: Chapter 15 of Digimon Next is published in Japan.
• 2010: The CG Toei Anime Festival DVD, which features Digimon Adventure 3D: Digimon Grandprix! and Digimon Savers 3D: The Digital World in Imminent Danger!, is released in Japan.
• 2011: Chapter 08 of Digimon Xros Wars is published in Japan.
• 2012: Chapter 20 of Digimon Xros Wars is published in Japan.
• 2014: Chapter 11 of Digimon World Re:Digitize Encode is published in Japan.
• 2015: The Digimon Story: Cyber Sleuth one-shot manga is published in Japan.