- Karl Heinrich Ulrichs has his first sexual experience with another boy.
- James Barry is promoted to Principal Medical Officer and is stationed in the West Indies.
- September 22: Anne Lister dies.
- December 25:Sallie and Patrick Hodgers have a child they name Jennie Irene Hodgers. (estimated year)
- James Barry contracts yellow fever and returns to England on sick leave.
- Karl-Maria Benkert changes his last name to Kertbeny.
- Karl Heinrich Ulrichs finishes his formal education.
- James Barry is stationed in Corfu.
- May 16: James Barry is promoted to Deputy Inspector-General of Hospitals.
- Rose Cleveland and her family move to Holland Patent, New York.
- Karl Heinrich Ulrichs‘ sexuality becomes known and he subsequently loses his job as legal advisor in the Kingdom of Hanover.
- September 25: James Barry is promoted to Inspector General of Hospitals and is stationed in Canada.
- William Dorsey Swann is born around this time.
- July 19: James Barry is forced to retire from the military and returns to London.
- Albert Cashier enlists in the Union army, joining the 95th Illinois Infantry.
- Karl Heinrich Ulrichs officially comes out to his family as an “Urning” — the term he coined for homosexual men — declaring that his feelings are both biological and natural.
- July 25: James Barry dies of dysentery. Despite strict instructions that his body not be examined, it soon comes out that Barry was not biologically male. His records are sealed until the 1950’s.
- August 17: The 95th Illinois Infantry disbands, and Albert Cashier returns to Belvidere, Illinois.
- After briefly being imprisoned in Prussia, Karl Heinrich Ulrichs moves to Munich. There he will speak to the German Association of Jurists on behalf of LGBT rights.
- The first Annual Odd Fellows Ball is held.
- Karl-Maria Kertbeny moves to Berlin.
- Danieri Basammula-Ekkere Mwanga II Mukasa is born.
- May 8: Karl-Maria Kertbeny first uses the term “homosexual” in a private letter.
- Karl-Maria Kertbeny publishes to pamphlets arguing against the Prussian anti-sodomy law Paragraph 143.
- Karl Heinrich Ulrichs publishes “Araxes: a Call to Free the Nature of the Urning from Penal Law” where he calls sexuality a “right established by nature.”
- June 17: Osch-Tisch and The Other Magpie fight in the Battle of Rosebud.
- Karl Heinrich Ulrichs publishes his twelfth book, entitled “Research on the Riddle of Man-Manly Love” and then sends himself into a self-imposed exile in Naples.
- January 23: Karl-Maria Kertbeny dies.
- Rose Cleveland‘s mother dies.
- William Dorsey Swann is arrested for stealing books.
- September: Gertrude Pridgett may have been born in Alabama in this year, according to the U.S. Census.
- Muteesa I dies, and Mwanga II becomes kabaka of Buganda.
- October 29: Mwanga II has the archbishop James Hannington assassinated.
- November: Rose Cleveland agrees to act as her brother Grover Cleveland’s First Lady.
- January 31: Mwanga II begins the executions of the 30 Christians who will become the Uganda Martyrs.
- Richard von Krafft-Ebing borrows the word “homosexual” from Karl-Maria Kertbeny‘s works, and the term begins to enter mainstream usage.
- April 26: Gertrude Pridgett may have been born in Georgia on this day.
- January 27: Mwanga II executes the last of the Uganda Martyrs.
- William Dorsey Swann is arrested at a drag ball he is hosting.
- A rebellion stoked by the British usurps the throne of Mwanga II. His brother Kiweewa becomes the new kabaka — for forty days. A second rebellion installs his half-brother Kalema on the throne.
- April 12: William Dorsey Swann and twelve other black men are arrested at one of his drag balls.
- Mwanga II deals with the British in order to get his throne back — he is the kabaka of Buganda again by the end of the year.
- April: Rose Cleveland begins a romantic relationship with Evangeline Marrs Simpson.
- December 26: Mwanga II formalizes a treaty with the British and Buganda becomes part of the the British Protectorate of Uganda.
- The British Protectorate of Uganda formally criminalizes homosexual behavior between men.
- June 23: Alfred Kinsey is born.
- August 22: Willem Arondeus is born.
- July 14: Karl Heinrich Ulrichs dies.
- December 31: William Dorsey Swann is arrested at a drag ball, and charged with “running a disorderly house.”
- January 3: William Dorsey Swann is convincted and sentenced to 10 months in prison.
- Evangeline Marrs Simpson marries a man and Rose Cleveland leaves the United States for three years.
- March: William Dorsey Swann attempts to be pardoned by President Grover Cleveland.
- July 29: President Grover Cleveland formally refuses to pardon William Dorsey Swann.
- May 15: The Scientific-Humanitarian Committee is founded.
- July 6: Mwanga II declares war on Britain.
- July 20: Mwanga II is defeated and flees into German East Africa, where he is arrested. He escapes again.
- January 15: Mwanga II attacks the British held Uganda with an army, but is defeated again and exiled.
- The Scientific-Humanitarian Committee begins publishing the “Yearbook for Intermediate Sexual Types”.
- Rose Cleveland and Evangeline Whipple resume their romantic relationship.