Proposal : Update Manga Genma Taisen - Shinwa Zenya no Shou published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga Genma Taisen - Shinwa Zenya no Shou

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 : 20
Month : 5
Year : 1979
-
End Date :
Day : 1
Month : 11
Year : 1981

Based on the following reason: Missing

With the source: https://myanimelist.net/manga/117400/Genma_Taisen_-_Shinwa_Zenya_no_Shou