A birthday salute to U.S. President John F. Kennedy takes place at Madison Square Garden, in New York City. The highlight is Marilyn Monroe's breathy rendition of "Happy Birthday," which does more to fuel speculation that the two were sexually involved than any actual evidence.

In the U.S., Canadian born evangelist Aimee Semple McPherson disappears from Venice Beach, California in the middle of the afternoon. She is initially thought to have drowned, but on June 23, McPherson stumbles out of the desert in Agua Prieta, a Mexican town across the border from Douglas, Arizona, claiming to have been kidnapped, drugged, tortured and held for ransom in a shack by two people named Steve and Mexicali Rose. However, it soon becomes clear that McPherson's tale is fabricated, though to this day the reasons behind it remain unknown.

In Britain, scores of youths are jailed following a weekend of violent clashes between gangs of Mods and Rockers in Brighton and other south coast resorts. Mods listened to ska music and The Who, wore suits and rode Italian scooters, while Rockers listened to Elvis and Gene Vincent, and rode motorcycles. These differences triggered the violence.

In the U.S., Los Angeles police raid the headquarters of the revolutionary group the Symbionese Liberation Army, resulting in the deaths of six members. The SLA had gained international notoriety by kidnapping nineteen-year old media heiress Patty Hearst from her Berkeley, California apartment, an act which precipitated her participation in an armed bank robbery.

Eleven weeks after it was disinterred and stolen from a grave in Corsier near Lausanne, Switzerland, Charlie Chaplin's corpse is found by police. Two men—Roman Wardas, a 24-year-old Pole, and Gantscho Ganev, a 38-year-old Bulgarian—are convicted in December of stealing the coffin and trying to extort £400,000 from the Chaplin family.