Proposal : Update Anime Muumin Pilot Film aired date

Proposal details

This proposal will make the following change(s):

Update the airing date of the anime Muumin Pilot Film

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

to

Start Date :
Day : 16
Month : 12
Year : 1989
-
End Date :
Day : 16
Month : 12
Year : 1989

Based on the following reason: Missing

With the source: https://anilist.co/anime/147725/Moomin-Pilot-Film/