ON THIS DATE

In 1866, Cyrus W. Field finished laying out the first successful underwater telegraph cable between North America and Europe (a cable in 1858 burned out after a few weeks of use).

In 1909, during the first official test of the U.S. Army’s first airplane, Orville Wright flew himself and a passenger, Lt. Frank Lahm, above Fort Myer, Virginia, for one hour and 12 minutes.

In 1919, race-related rioting erupted in Chicago; the violence, which claimed the lives of 23 Blacks and 15 whites, lasted until Aug. 3.

In 1921, Canadian researcher Frederick Banting and his assistant, Charles Best, isolated the hormone insulin at the University of Toronto.

In 1953, the Korean War armistice was signed.

In 1974, the House Judiciary Committee voted 27-11 to adopt the first of three articles of impeachment against President Richard Nixon, charging he had engaged in conduct designed to obstruct justice in the Watergate case.

In 1980, on day 267 of the Iranian hostage crisis, the deposed Shah of Iran died in a hospital outside Cairo at 60.

In 1981, 6-year-old Adam Walsh was abducted from a department store in Hollywood and was later murdered. (His father, John Walsh, became a well-known crime victims’ advocate.)

In 1996, terror struck the Atlanta Olympics as a pipe bomb exploded at Centennial Olympic Park, directly killing one person and injuring 111. (Anti-government extremist Eric Rudolph later pleaded guilty, exonerating security guard Richard Jewell, who had been wrongly suspected.)

One year ago: More than a dozen Miami Marlins players and staff tested positive for COVID-19.