Some records suggest that priests known as gala were assigned male at birth but lived as women, playing key religious and cultural roles.

In the tomb of Niankhkhnum and Khnumhotep, two royal servants, carvings depict them in intimate poses, including nose-touching, a gesture reserved for married couples in Egyptian art. Their relationship remains debated, but many historians consider them one of the earliest recorded same-sex couples.

Babylonian law briefly references same-sex relationships, though it neither condemns nor explicitly permits them. Some scholars suggest Mesopotamian cultures had a complex understanding of gender and sexuality, including acceptance of third-gender identities among temple priests.

This elite military unit in Ancient Greece was composed entirely of 150 pairs of male lovers. The belief was that warriors would fight more fiercely alongside their beloved, leading to remarkable battlefield successes. The unit was ultimately defeated by Philip II of Macedon in 338 BCE, who reportedly admired their bravery.

Greek society widely accepted same-sex relationships, particularly between older men (erastes) and younger men (eromenos). These relationships were often seen as educational, though they operated within strict social norms. The poet Sappho of Lesbos, one of the most famous figures from this era, wrote extensively about love between women, leading to the modern terms “lesbian” and “sapphic.”

While Rome tolerated same-sex relations, it was important for a Roman man to be the dominant partner in such encounters. Being a passive partner could be seen as shameful. Roman emperors like Hadrian and Nero had documented male lovers. Hadrian’s grief over the death of his lover, Antinous, led to the deification of the young man.

Under the rule of Emperor Theodosius I, Christian doctrine became the law of the Roman Empire. Homosexual acts were declared punishable by burning at the stake, marking the beginning of centuries of religious persecution against LGBTQ+ people.

Historical records suggest that Christian ceremonies called adelphopoiesis (brother-making) may have functioned as a form of same-sex union, though historians debate their meaning.

Christianity’s growing influence led to harsher penalties for same-sex activity. Many European states adopted laws punishing “sodomy,” a vague term encompassing same-sex activity, bestiality, and other acts seen as unnatural. Execution by burning was common.

During the Spanish and Roman Inquisitions, sodomy was considered heresy. Many men, particularly in Spain and Italy, were executed for same-sex relations, often burned alive.

King Henry VIII enacted the first English law specifically criminalizing male-male sexual activity, punishable by hanging. This law would influence later British colonial laws, which were exported to countries around the world.

Underground meeting places, known as Molly Houses, became refuges for gay men. These secret clubs allowed cross-dressing and flamboyant behavior at a time when being openly gay was punishable by death. Police raids were common, and many were hanged for “unnatural acts.”

In the U.S., Thomas Jefferson suggested reducing the penalty for sodomy from death to castration for men and mutilation for women. The proposal was ultimately rejected, and the death penalty remained in some states.

The Offences Against the Person Act eliminated the death penalty for sodomy, replacing it with life imprisonment.

German lawyer and writer Karl Ulrichs became the first person in recorded history to publicly come out as gay, arguing that homosexuality was natural and should not be criminalized. He is often regarded as the first modern LGBTQ+ activist.

Austrian writer Karl-Maria Kertbeny coined the term “homosexual” in a pamphlet opposing Prussian sodomy laws.

This law, which made male-male sexual activity illegal, would remain in effect until 1994. It led to the persecution of gay men, particularly under the Nazis.

The famous playwright was convicted of “gross indecency” after his relationship with Lord Alfred Douglas became public. Wilde was sentenced to two years of hard labor, which destroyed his health and career.

The German scientist and activist established this groundbreaking institute in Berlin. It provided medical care, research on LGBTQ+ identities, and one of the earliest gender-affirming surgeries. It was destroyed by the Nazis in 1933.

Henry Gerber created this short-lived organization in Chicago, advocating for LGBTQ+ rights.

Danish artist Lili Elbe, one of the first known transgender women to receive gender-affirming surgery, underwent the procedure in Berlin. Her story inspired the novel The Danish Girl.

The Nazi regime targeted gay men, who were forced to wear pink triangles in concentration camps. Many were tortured, experimented on, and executed.

The Kinsey Report introduced the Kinsey Scale, suggesting that human sexuality exists on a spectrum rather than a binary system of heterosexual and homosexual.

During the Cold War, the U.S. government purged thousands of LGBTQ+ employees, labeling them as security risks.

Christine Jorgensen, one of the most famous transgender women of the time, helped inspire discussions on gender identity in the U.S.

Illinois became the first state to repeal its sodomy law, though others would not follow until decades later.

Transgender women and drag queens in San Francisco fought back against police harassment in one of the first recorded transgender uprisings, predating Stonewall.

A police raid at the Stonewall Inn in New York City led to days of riots, spearheaded by figures like Marsha P. Johnson and Sylvia Rivera. This event is credited as the catalyst for the modern LGBTQ+ rights movement.

The American Psychiatric Association finally removed homosexuality from its list of mental disorders after years of activism.

Milk was elected to the San Francisco Board of Supervisors and advocated for LGBTQ+ rights until his assassination in 1978.

The first cases of what would later be called AIDS were reported in the U.S. Initially ignored by the government, the crisis devastated the LGBTQ+ community. Activist groups like ACT UP emerged to demand action.

This U.S. law defined marriage as exclusively between a man and a woman, preventing federal recognition of same-sex marriages.

The U.S. Supreme Court struck down all remaining sodomy laws, finally decriminalizing same-sex relationships nationwide.

The Supreme Court ruled that same-sex marriage is a constitutional right in the U.S.

Bostock v. Clayton County ruled that workplace discrimination based on sexual orientation and gender identity is illegal under federal law.