Success Happy

When did Marilyn Monroe sing "Happy Birthday" to President Kennedy ?

One of the best known moments from John F . Kennedy's presidency OR the 1960s was when Marilyn Monroe sang "Happy Birthday" to him . President Kennedy was born May 29, 1917 . Did Marilyn Monroe sing "Happy Birthday" to him on May 29, 1961 or May 29, 1962 ? Thank you in advance for your answers .

Public Comments

1. was it 1961?
2. 1962?