On this day, December 17, 1969, Tiny Tim and Miss Vicki were married on the "Tonight Show."

[mahatmakanejeeves]

Wed Dec 18, 2019: On December 17, 1969, Tiny Tim and Miss Vicki were married on the Tonight Show

Hat tip, This Day in Rock, but they say it happened on the 18th:

1969 – ON THE TONIGHT SHOW THIS EVENING, NOVELTY SINGER TINY TIM
Posted on 5:59 PM by STU SWEATMAN

Tiny Tim

1969 – On The Tonight Show this evening, novelty singer Tiny Tim marries the 17-year-old Miss Vicki in one of the greatest stunts ever televised.

Tiny Tim's Wedding to Miss Vicki on Johnny Carson's Tonight Show
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Johnny Carson
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December 19, 2017:

Happy belated 48th anniversary, Tiny Tim and Miss Vicki

How could I have forgotten? I was watching, of course.

Tiny Tim (musician)

Herbert Buckingham Khaury (April 12, 1932 – November 30, 1996), known professionally as Tiny Tim, was an American singer, most of the time ukulele player, and musical archivist. He is best remembered for his cover hits "Tiptoe Through the Tulips" and "Livin' in the Sunlight, Lovin' in the Moonlight" which are sung in a high falsetto/vibrato voice.

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Tiny Tim married Miss Vicki on The Tonight Show Starring Johnny Carson on December 17, 1969, with 40 million people watching.