March 16, 1975 (Sunday)
- The Mariner 10 satellite made the closest approach by an Earth launched vehicle, to that time, to the planet Mercury, orbiting at a distance of 203 miles (307 km) and returning clear photographs of the first planet's surface.
- As it was approaching San Carlos de Bariloche on a flight from El Palomar, an Argentine Air Force airplane crashed into the side of a mountain in the Andes, killing all 47 passengers and five crew.
- Died: Perle Mesta, 83, American hostess and former ambassador to Luxembourg, as well as the inspiration for the Broadway musical Call Me Madam; and Vincent Sheean, 75, American journalist
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Famous quotes containing the word march:
“This, then, is the test we must set for ourselves; not to march alone but to march in such a way that others will wish to join us.”
—Hubert H. Humphrey (1911–1978)