February 26 - John Glenn slips on a bathroom rug in his Columbus, Ohio apartment and hits his head on the bathtub, injuring his left inner ear, and prompting him (later that week) to withdraw from the race for the Senate nomination.
March 26 - Defense Secretary Robert McNamara delivers an address that reiterated the United States determination to give South Vietnam increased military and economic aid in its war against Communist insurgency.
April 2 - Mrs. Malcolm Peabody, 72, mother of Governor Endicott Peabody of Massachusetts, is released on $450 bond after spending two days in jail in St. Augustine, Florida, because of her participation in an anti-segregation demonstration there.
April 5 - Jigme Dorfi, Premier of the Himalayan kingdom of Bhutan is shot dead by an unidentified assassin in Puncholing, near the Indian border.
May 9 - South Korean President Chung Hee Park reshuffles his Cabinet after a series of student demostrations against his efforts to restore diplomatic and trade relations with Japan.
May 19 - The United States State Department says that more than 40 hidden microphones have been found embedded in the walls of the U.S. Embassy in Moscow.
May 23 - Mrs. Madeline Dassault, 63, wife of a French plane manufacturer and politician, is kidnapped while leaving her car in front of her Paris home; she is found unharmed the next day in a farmhouse 27 miles from Paris.