The Dow Jones industrial average plunges 508 points — 22.6 percent — on “Black Monday,” the largest one-day loss in history. The Irish rock group U2 reaches super-stardom, selling out at almost every stop on its world tour.

Also that year:

• The newly-constructed U.S. embassy in Moscow is found to have Soviet bugging devices.

• Bloody riots escalate in the Gaza Strip and West Bank as Palestinians resist Israeli occupation. Israeli forces respond with gunfire.

• CBS-TV anchorman Dan Rather storms off the set to protest his newscast being cut short for a tennis match. CBS network goes blank for 6 minutes.

• Garbage scow Mobro leaves New York City with a cargo no one wants — 3,186 tons of refuse for a landfill. After being turned away by six states and three nations, Mobro returns to port after five months. The garbage is finally burned in a Brooklyn incinerator.

• A mysterious 2,500-year-old dog cemetery is uncovered near Israel’s coast. The carefully buried dogs were a breed similar to today’s greyhounds.

• Because of movement in the Earth’s geological plates, Hawaii is approaching Japan at the rate of 3.2 inches per year. At this rate the islands will bump into each other in 76,051,800 years.