1807– Second British Invasion of Rio de la Plata: John Whitelock lands at Ensenada in an attempt to recapture Buenos Aires and is defeated by the locals.
1811–Napoleonic Wars: French troops storm the city of Tarragona, Spain and carry out a massacre on citizens who offer strong resistance.
1978– The United States Supreme Court, in Regents of the University of California v. Bakke 438 US 265 1978, bars quota systems in college admissions but affirms constitutionality of programs giving advantage to minorities.
1981– A powerful bomb explodes in Tehran, killing 73 officials of the Islamic Republic Party.
1983– The partial collapse of Connecticut's busy I–95 Mianus River Bridge, killing 3 people.
1987– For the first time in military history a civilian population is targeted for chemical attack when Iraqi warplanes bomb the Iraniantown of Sardasht.
1988– Four workers are asphyxiated at a metal–plating plant in Auburn, Indiana, in the worst confined–space industrial accident in U.S. history. A fifth victim dies two days later.
1990– Paperback Software, a company founded by Adam Osborne, found guilty by a U.S. court of copyright violation for copying the appearance and menu system of Lotus 1-2-3 in its competing spreadsheet program.