Template:OTD/July 21


 * 1999: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2000: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2001: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2002: Episode of Digimon Frontier premieres in Japan.
 * 2002: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2003: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2006: Chapter of Digimon Next is published in Japan.
 * 2006: Battle Terminal Ver. 2 is released in Japan.
 * 2007: Chapter of Digimon Next is published in Japan.
 * 2008: Episode of Digimon Data Squad premieres in North America.
 * 2010: Chapter of Digimon Xros Wars is published in Japan.
 * 2011: Chapter of Digimon Xros Wars is published in Japan.
 * 2012: Chapter of Digimon World Re:Digitize is published in Japan.
 * 2013: Chapter of Digimon World Re:Digitize Encode is published in Japan.