- 1st
- 1942: Prostitution in Switzerland became regulated with the introduction of a new Criminal Code.
- 1999: Sweden's Kvinnofrid law, which criminalised the buying of sex, came into force.
- 2009: Norway becomes the second country to adopt the Swedish model of prostitution which criminalises the buying of sex.
- 3rd
- 1916: Birth of Toni Jo Henry (née Annie Beatrice McQuiston), an American prostitute, murderer and the only woman ever to be executed in Louisiana's electric chair.
- 7th
- 1929: Death of Mattie Silks, a prostitute and leading madam in the late 19th century American West.
- 1951: Death of Sylvia Clevenger, an American prostitute and a minor associate of the John Dillinger gang.
- 17th
- 1888: Death of Maggie Hall, a Dublin born prostitute and brothel madam in Murray, Idaho. She is known in local lore as a "Prostitute with a heart of gold" and the "Patron Saint of Murray".
