A software bug caused a simulated pandemic in the online video game World of Warcraft, serving as a model for epidemiologists to understand how human interaction influences disease outbreaks.
Hurricane Gilbert reached a minimum pressure of 888 mb (26.22 inHg) with sustained flight-level winds of 185 mph (295 km/h), making it the most intense Atlantic hurricane on record at the time.
Super Mario Bros., one of the most influential and best-selling video games in history, was first released in Japan for the Nintendo Entertainment System.
Chicago Public Schools began delivering lessons via radio amid to a polio outbreak, marking the first large-scale use of radio broadcasts for distance education.
The Boston police strike ended after four days of rule by the state militia, the deaths of nine people, and accusations that striking officers were "agents of Lenin".