Template:OTD/May 21


 * 19XX: Voice actor Kono Yoshiyuki is born.
 * 1999: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2000: Chapter of Digimon Adventure V-Tamer 01 is published in Japan.
 * 2000: Episode of Digimon Adventure 02 premieres in Japan.
 * 2001: Chapter of Digimon Adventure V-Tamer 01 is published 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.
 * 2000: Episode of Digimon Savers premieres in Japan.
 * 2007: Chapter of Digimon Next is published in Japan.
 * 2010: Chapter of Digimon Xros Wars is published in Japan.
 * 2013: Chapter of Digimon World Re:Digitize Encode is published in Japan.
 * 2015: Chapter of Digimon World Re:Digitize Encode is published in Japan.