In 1901 Spain, a woman adopted a male identity and married another woman. The couple was later discovered and had to escape to Argentina. Their marriage certificate was never annulled, so this is the first recorded same-sex marriage in Spain, 100 years before it was legal.
In 1975 a county clerk in Colorado issued a same-sex marriage license, finding no law that forbade it. When a man came to her office to marry his horse in protest, she determined the 8-year-old horse was too young to get married without parental consent and refused the license.
In 1975, two men got a marriage license in Colorado after the clerk couldn’t find a law against it. When they applied for a spouse’s visa, the U.S. government mailed a letter saying, “You have failed to establish that a bona fide marital relationship can exist between two f*ggots.” They took their case to court but they were dismissed. The judge who ruled against them was Anthony Kennedy, who later joined the Supreme Court and last month cast the deciding vote to legalize gay marriage.
The first same-sex marriage license in the US was issued 39 years ago, in Boulder, CO (by county clerk Clela Rorex, who later refused a marriage license to a man and his horse… because the underage horse did not have parental consent).
The first legally recognized same-sex marriages in the United States occurred in 1975, just before it was officially made illegal nationwide.