Interesting Things with JC #1164: "David Attenborough's Life on Earth Premieres" – January 16, 1979, marked the debut of "Life on Earth" a series that redefined nature documentaries worldwide.

Ref - BBC. (n.d.). Life On Earth. History of the BBC. Retrieved from https://www.bbc.co.uk/historyofthebbc/anniversaries/january/life-on-earth