Proposal : Update Manga Shingeki no Kyojin: Before the Fall published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Shingeki no Kyojin: Before the Fall

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 : 2
Month : 12
Year : 2011
-
End Date :
Day : 29
Month : 6
Year : 2012

Based on the following reason: Missing

With the source: https://anilist.co/manga/73999/Shingeki-no-Kyojin-Before-the-fall/