1812 – A political cartoon in the Boston Gazette coins the term “gerrymander” to describe oddly shaped electoral districts designed to help incumbents win reelection.
1830 – The Book of Mormon is published in Palmyra, New York.
1953 – Dr. Jonas Salk announced he had successfully tested a vaccine against polio.
1979 – Anwar al-Sadat, Menachem Begin and Jimmy Carter sign the Egypt-Israel Peace Treaty in Washington, D.C.
1982 – A groundbreaking ceremony for the Vietnam Veterans Memorial is held in Washington, D.C.
