Template:Selected anniversaries/April 21

On this day

 * 1999: Chapter 6 of Digimon Adventure V-Tamer 01 is published in for the first time.
 * 2000: Chapter 18 of Digimon Adventure V-Tamer 01 is published in for the first time.
 * 2001: Episode 42 of Digimon Adventure 02 airs in for the first time.
 * 2001: Chapter 30 of Digimon Adventure V-Tamer 01 is published in for the first time.
 * 2002: Episode 3 of Digimon Frontier airs in for the first time.
 * 2002: Chapter 42 of Digimon Adventure V-Tamer 01 is published in for the first time.
 * 2003: Chapter 54 of Digimon Adventure V-Tamer 01 is published in for the first time.
 * 2008: Episode 27 of Digimon Data Squad airs in for the first time.
 * 2010: Chapter 10 of  is published in for the first time.
 * 2013: Chapter 1 of Digimon World Re:Digitize: Encode is published in for the first time.