The original post: /r/todayilearned by /u/Ok_World_8819 on 2024-12-24 17:50:19.

Original Title: TIL The 1964 Rudolf the Red Nosed Reindeer TV special is in a grey area of copyright due to the fact that the studio mistakenly spelled out the copyright date as 1164 in roman numerals and haven’t corrected it since