1886 On June 13, Ludwig II, the psychotic king of Bavaria, jumped off a bridge into the Lake of Starnberg with his psychiatrist, Bernard von Gudden. Both men drowned.
1925 In a June 4 letter to Wolfgang Köhler, Edwin G. Boring reported that his laboratory budget at Harvard University was $148, including $31 of Boring's own money.
1931 On June 2, psychologist Leonard T. Troland patented a method of color photography that became part of the Technicolor process. The technique is apparently the earliest relating to the properties of the film and is based on research on the nature of color and color vision.
1951 On June 20, President Truman created the Psychological Strategy Board to handle American psychological warfare--propaganda and economic and political activities--during the Cold War. The board, directed by former Secretary of the Army and University of North Carolina president Gordon Gray, was one of many Cold War attempts to use psychological research to promote political goals.
1982 On June 18, in a unanimous decision in Mills v. Rogers, the U.S. Supreme Court concluded that the Constitution protects the right of involuntarily committed mental patients to refuse treatment with antipsychotic drugs.
Source: APA Historical Database, created and maintained by Warren R. Street, Central Washington University, and published as "A Chronology of Noteworthy Events in American Psychology" (APA, 1994).