Dashed left edge = started before March 1873 ·
Dashed right edge = ongoing beyond March 1873
Events in March 1873 1
1873Comstock ActUS law criminalizes mailing "obscene" materialsSigned on 3 March 1873, the federal law championed by anti-vice crusader Anthony Comstock banned the mailing of contraceptives, abortion-related material, and material deemed obscene. It remained the basis for censorship and anti-birth-control prosecutions in the United States for nearly a century.