May 31

==1970==
*Kermit the Frog and Grover on The Ed Sullivan Show.
==1977==
* The Muppet Show Episode 202: Zero Mostel begins taping.
==1979==
* The Smithsonian Institution holds a special panel on Sesame Street to kick off its Ten Years of Sesame Street exhibit.
__NOWYSIWYG__
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