1871 – Brazilian Parliament passes the Law of the Free Womb, granting freedom to all new children born to slaves, the first major step in the eradication of slavery in Brazil.
1885 – Riots break out in Montreal to protest against compulsory smallpox vaccination.
1912 – Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash. He and pilot Lt. Lewis C. Rockwell are killed in the crash of an Army Wright Model B at College Park, Maryland.