- 1985 United States-Canadian tornado outbreak: Forty-one tornadoes hit Ohio, Pennsylvania, New York, and Ontario, leaving 76 dead.
- 41 tornadoes hit Northeast US, killing 88
- Guatemala adopts constitution
- Methylenedioxymethamphetamine (MDMA) became a Schedule I drug in the United States.
- Tornadoes in Pennsylvania, Ohio, New York State & Canada kill 88 & injured more than 1,000
Day of the Week: Friday