Template:Selected anniversaries/July 21

On this day
*2002: Episode 15 of Digimon Frontier airs in for the first time.
 * 2008: Episode 37 of Digimon Data Squad airs in for the first time.
 * 2010: Chapter 2 of  is published in for the first time.
 * 2011: Chapter 13 of  os published in for the first time.