On This Day, Dec. 15: APA removes homosexuality from list of mental illnesses

Spectators kiss from a window while watching parade-goers move down the parade route at the 2023 NYC Pride March on June 25, 2023, in New York City. On December 15, 1973, the American Psychiatric Association reversed its longstanding position and declared that being gay isn't a mental illness. File Photo by Corey Sipkin/UPI
Spectators kiss from a window while watching parade-goers move down the parade route at the 2023 NYC Pride March on June 25, 2023, in New York City. On December 15, 1973, the American Psychiatric Association reversed its longstanding position and declared that being gay isn't a mental illness. File Photo by Corey Sipkin/UPI
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Dec. 15 (UPI) -- On this date in history:

In 1791, the Bill of Rights, comprising the first 10 amendments to the U.S. Constitution, took effect.

In 1890, Sioux Indian leader Sitting Bull was killed in a skirmish with U.S. soldiers along the Grand River in South Dakota.

In 1939, the film version of Gone with the Wind premiered in Atlanta.

In 1945, U.S. Gen. Douglas MacArthur ordered an end to state Shintoism in Japan, a key belief of which was that the emperor was a divine being. Because the U.S. government supported freedom of religion, though, it did not place an outright ban on the religion.

Honor guards in historical costumes pass by the Leaning Tower of Pisa on December 15, 2001, after the tower's re-opening to the public. File Photo by Franco Silvi/EPA/ANSA
Honor guards in historical costumes pass by the Leaning Tower of Pisa on December 15, 2001, after the tower's re-opening to the public. File Photo by Franco Silvi/EPA/ANSA

In 1961, Adolf Eichmann, the Nazi SS officer regarded as the architect of the World War II Holocaust, was condemned to death by an Israeli war crimes tribunal.

File Photo courtesy of the National Photo Collection of Israel
File Photo courtesy of the National Photo Collection of Israel
A Shinto priest performs the "Oharai" ritual for office workers during a ceremony at Kanda Myojin shrine in Tokyo on January 4, 2017. On December 15, 1945, U.S. Gen. Douglas MacArthur ordered an end to state Shintoism in Japan, a key belief of which was that the emperor was a divine being. File Photo by Keizo Mori/UPI
A Shinto priest performs the "Oharai" ritual for office workers during a ceremony at Kanda Myojin shrine in Tokyo on January 4, 2017. On December 15, 1945, U.S. Gen. Douglas MacArthur ordered an end to state Shintoism in Japan, a key belief of which was that the emperor was a divine being. File Photo by Keizo Mori/UPI

In 1973, John Paul Getty III is found alive at a gas station outside of Naples, Italy, more than four months after he was kidnapped.

In 1973, the American Psychiatric Association reversed its longstanding position and declared that being gay isn't a mental illness.

Khizr Khan, whose son, Capt. Humayun Khan, was killed in Iraq, hold us a copy of the U.S. Constitution during the Democratic National Convention at Wells Fargo Center in Philadelphia on July 28, 2016. On December 15, 1791, the Bill of Rights, comprising the first 10 amendments to the U.S. Constitution, took effect. File Photo by Pat Benic/UPI
Khizr Khan, whose son, Capt. Humayun Khan, was killed in Iraq, hold us a copy of the U.S. Constitution during the Democratic National Convention at Wells Fargo Center in Philadelphia on July 28, 2016. On December 15, 1791, the Bill of Rights, comprising the first 10 amendments to the U.S. Constitution, took effect. File Photo by Pat Benic/UPI

In 1990, in a landmark right-to-die case, a Missouri judge cleared the way for the parents of Nancy Cruzan to remove their daughter from life-support systems.

In 1992, Salvadorans celebrated the formal end to their country's 12-year civil war.

On December 15, 1890, Sioux Indian leader Sitting Bull was killed in a skirmish with U.S. soldiers along the Grand River in South Dakota. File Photo by Library of Congress/UPI
On December 15, 1890, Sioux Indian leader Sitting Bull was killed in a skirmish with U.S. soldiers along the Grand River in South Dakota. File Photo by Library of Congress/UPI

In 1993, British Prime Minister John Major and Irish Prime Minister Albert Reynolds issued a "framework for lasting peace" in Northern Ireland.

In 1997, 85 people were killed in the crash of a Tajik Airlines charter jetliner in the United Arab Emirates.

Stamps are for sale at the dedication of a 39-cent commemorative stamp honoring actress Hattie McDaniel, the first African American to win an Academy Award for her role role in the film "Gone With the Wind," which was released December 15, 1939. File Photo by Phil McCarten/UPI
Stamps are for sale at the dedication of a 39-cent commemorative stamp honoring actress Hattie McDaniel, the first African American to win an Academy Award for her role role in the film "Gone With the Wind," which was released December 15, 1939. File Photo by Phil McCarten/UPI

In 2001, the leaning Tower of Pisa reopened after a decadelong restoration effort.

In 2011, the United States formally ended its long military mission in Iraq in a solemn ceremony at Baghdad's international airport. Defense Secretary Leon Panetta declared the war was over. It had begun in 2003.

File Photo by Dale Greer/U.S. Air Force
File Photo by Dale Greer/U.S. Air Force

In 2014, Man Haron Monis took 18 people hostage inside a Lindt Cafe in Sydney, Australia. The standoff, which lasted 16 hours, finally ended when police raided the cafe the next morning. Monis and two hostages died in the ordeal.

In 2017, 16-year-old Palestinian activist Ahed Tamimi was recorded slapping and kicking an Israeli soldier in the West Bank after forces shot her younger cousin the head for throwing rocks. She was arrested days later and sentenced to eight months in prison.

In 2022, thousands of nurses in Britain went on strike, demanding higher wages. The strike led hospitals to cancel tens of thousands of non-critical medical procedures.

File Photo by Andy Rain/EPA-EFE
File Photo by Andy Rain/EPA-EFE