On December 6, 1964, "Rudolph the Red-Nosed Reindeer" aired on television for the first time.
From IcyPeas:
Mon Dec 6, 2021: Rudolph the Red-Nosed Reindeer' first aired 57 years ago, December 6, 1964, on NBC
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But I remember my brothers, sister and parents watching this when it first appeared. My mother asked us after if we had learned anything from watching the show, we all looked at her like "huh?" Then she said, Think about Rudolph and the misfit toys. Just because you are different it doesn't make you bad or useless." Thanks for that mom 
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