50 years ago — The Tucson Cowboys rode over the Imperial Valley Imperials twice on one night, 5-1 and 8-4, in a Southwest International League doubleheader in Tucson. Tucson's heavy-hitting Juan Senties was blanked for the first time in 19 games.
40 years ago — Congressman D.S. Saund (D-Westmorland) announced the nomination by President Kennedy of Carl D. Roberts of Calexico for the position of collector of customs for District 25 (Imperial and San Diego counties.)
30 years ago — A state health official told the county Board of Supervisors that it appears horses, hogs, goats, dogs, man and sometimes cattle can transmit the sleeping sickness virus that caused the Texas epidemic that killed more than 1,300 horses.
20 years ago — An explosion at the Brawley geothermal plant Monday night sent five workers to a hospital emergency room, turned the immediate vicinity into what looked like a Midwestern snowcap and briefly closed Highway 111. Workers were closing a valve on one of the geothermal wells at the site when the accident occurred. The plant has been closed pending an investigation, Frank Lemmon, Union Oil Co. field superintendent, said this morning.