Wikipedia:Selected anniversaries/December 8
- 1854 - Pope Pius IX proclaimed the dogma of Immaculate Conception, which holds that the Virgin Mary was born free of original sin.
- 1980 - Mark David Chapman murdered former Beatle John Lennon.
- 1991 - Leaders of Russia, Belarus and Ukraine met to dissolve the Soviet Union and establish the Commonwealth of Independent States (CIS)
- 1993 - The North American Free Trade Agreement (NAFTA) was signed into law by U.S. President Bill Clinton.
Recent days: December 7 – December 6 – December 5