In England, the Secretary of State for War, John Profumo, denies any impropriety with showgirl Christine Keeler and threatens to sue anyone repeating the allegations. The accusations involve not just infidelity, but the possibility acquaintances of Keeler might be trying to ply Profumo for nuclear secrets. In June, Profumo finally resigns from the government after confessing his sexual involvement with Keeler and admitting he lied to parliament.

World famous German daredevil and high-wire walker Karl Wallenda, founder of the acrobatic troupe The Flying Wallendas, falls to his death attempting to walk on a cable strung between the two towers of the Condado Plaza Hotel in San Juan, Puerto Rico. Wallenda is seventy-three years old at the time, but it is a 30 mph wind, rather than age, that is generally blamed for sending him from the wire.

Swedish air force colonel Stig Wennerström, who had been convicted in the 1970s of passing Swedish, U.S. and NATO secrets to the Soviet Union over the course of fifteen years, dies in an old age home at the age of ninety-nine. The Wennerström affair, as some called it, was at the time one of the biggest scandals of the Cold War.

The federal penitentiary located on Alcatraz Island in San Francisco Bay closes. The island had been home to a lighthouse, a military fortification, and a military prison over the years. In 1972, it would become a national recreation area open to tourists, and it would receive national landmark designations in 1976 and 1986.

German-born theoretical physicist Albert Einstein publishes his general theory of relativity. Among the effects of the theory are phenomena such as the curvature of space-time, the bending of rays of light in gravitational fields, faster than light universe expansion, and the warping of space time around a rotating body.