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May 17
5 moments across history
WHO Declassifies Homosexuality as a Mental Disorder
On May 17, 1990, the World Health Organization formally declassified homosexuality as a mental disorder by removing it from the International Classification of Diseases (ICD). This decision marked a pivotal shift in global medical consensus, ending decades of pathologization that had justified discrimination, conversion therapy, and legal persecution of LGBTQ+ individuals. The move followed earlier actions by the American Psychiatric Association in 1973 and reflected broader societal changes driven by gay rights activism, scientific research discrediting early theories, and growing recognition of human rights.
WHO Declassifies Homosexuality as a Mental Disorder
U.S. Senate Watergate Committee Begins Televised Hearings
U.S. Senate Watergate Committee Begins Televised Hearings
Year: 1973
On May 17, 1973, the U.S. Senate Select Committee on Presidential Campaign Activities, known as the Watergate Committee, began nationally televised hearings investigating the June 1972 break-in at the Democratic National Committee headquarters and subsequent cover-up. The hearings, which revealed widespread abuses of power and White House involvement, eroded public trust and led to the discovery of President Richard Nixon’s secret taping system. In a broader context, the televised proceedings marked a pivotal moment in post-Watergate accountability, eventually forcing Nixon’s resignation in 1974 and reshaping American attitudes toward governmental transparency and media oversight.
Brown v. Board of Education Decision
Brown v. Board of Education Decision
Year: 1954
On May 17, 1954, the U.S. Supreme Court unanimously ruled in Brown v. Board of Education that racial segregation in public schools violated the Equal Protection Clause of the Fourteenth Amendment. This landmark decision overturned the "separate but equal" doctrine from Plessy v. Ferguson (1896), declaring that segregated educational facilities were inherently unequal. The ruling catalyzed the civil rights movement, directly challenging Jim Crow laws and paving the way for subsequent desegregation efforts and legal victories.
Nazi Germany Occupies Brussels, Belgium
Nazi Germany Occupies Brussels, Belgium
Year: 1940
On May 17, 1940, Nazi Germany occupied Brussels, Belgium, after a rapid Blitzkrieg campaign that overwhelmed Belgian defenses. The fall of Brussels marked a decisive step in Germany’s conquest of the Low Countries, disrupting Allied plans and securing a strategic base for the invasion of France. This event was part of the broader German offensive in Western Europe, which within weeks led to the surrender of Belgium, the evacuation at Dunkirk, and the eventual fall of France in June 1940.
Discovery of the Antikythera Mechanism
Discovery of the Antikythera Mechanism
Year: 1902
On May 17, 1902, Greek archaeologist Valerios Stais noticed a corroded bronze object among artifacts recovered from a shipwreck off Antikythera, recognizing it as a geared device rather than a rock. This discovery, later identified as the Antikythera mechanism, is an ancient Greek analog computer dating to around 100 BCE, used to predict astronomical positions and eclipses. Its complexity revolutionized understanding of ancient technology, revealing a level of mechanical sophistication not seen again until the 14th century and challenging assumptions about Greco-Roman scientific capabilities.