Today in History—May 19: Marilyn Monroe Sings “Happy Birthday, Mr. President”

At an event doubling as a Democratic fundraiser and birthday gala for Pres. John F. Kennedy in New York City’s old Madison Square Garden, JFK’s brother-in-law (and Rat Pack member) Peter Lawford introduces history: “Mr. President, on this occasion of your birthday, this lovely lady is not only pulchritudinous but punctual. Mr. President, Marilyn Monroe.”

Lawford gestures to his left. Spotlights land on a staircase leading to the stage.

No one appears.

Unruffled, he turns back, stretching out the moment: “Perhaps there has been no one female who has meant so much, who has done more—” Monroe finally appears, clutching a white mink wrap around her shoulders, and glides toward the podium.

“Mr. President, the late Marilyn Monroe,” says Lawford, before lifting Monroe’s wrap from her shoulders.

The 15,000-strong crowd gasps, whistles, and cheers.

Revealed is a flesh-toned, low-cut gown, encrusted with some 2,500 crystals, shimmering under the lights. Created by Jean Louis, from a sketch by 21-year-old Bob Mackie, it clings so closely to Monroe’s body that she reportedly had to be sewn into it.

Monroe flicks the mic and begins. “Happy birthday to you,” she sings, her voice silky, breathy, intimate. She lingers on “Mr. President” and stretches “to you,” transforming the song into a private serenade that fuels salacious rumors.

She adds a playful verse—“Thanks…for all the things you’ve done / The battles that you’ve won / The way you deal with…our problems by the ton”—before gesturing for the band and audience to join in.

When Kennedy takes the podium, he meets the moment with understatement: “I can now retire from politics after having had ‘Happy Birthday’ sung to me in such a sweet, wholesome way.”

The line lands, but it’s Monroe’s performance that lasts. Sparkling in the spotlight, she fused politics, celebrity, and spectacle into a single, unforgettable moment.