Proposal : Update Manga 21st Century Boys published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga 21st Century Boys

Change the published date from :
Start Date :
Day : Unknown
Month : Unknown
Year : Unknown
-
End Date :
Day : Unknown
Month : Unknown
Year : Unknown

to

Start Date :
Day : 25
Month : 12
Year : 2006
-
End Date :
Day : 14
Month : 7
Year : 2007

Based on the following reason: missing

With the source: https://myanimelist.net/manga/743/21st_Century_Boys?q=21&cat=manga