When did the passenger pigeon become extinct in the U.S.?

Once common in U.S. skies and hunted widely as cheap food, the last known passenger pigeon died in the Cincinnati Zoo on September 1, 1914.

How fast do piranhas eat? A school of these 8- to 12-inch fish, which inhabit the freshwater rivers of South America, has been observed gnawing a 400-pound hog to the bone in minutes. Initially attracted by the smell…
In what geologic era did man evolve? Man evolved in the Pleistocene epoch, which began about 2.5 million years ago and ended about 10,000 years ago. We now live in the Recent (or Holocene) epoch, beginning about 10,000 years ago.
Who played the Partridges in TV’s “The Partridge Family” (ABC, 1970-1974)? Shirley Jones (Shirley); David Cassidy (Keith); Susan Dey (Laurie); Danny Bonaduce (Danny); Jeremy Gelbwaks (Christopher, 1970-1971); Brian Forster (Christopher, 1971-1974); and Suzanne Crough (Tracy) played the Partridges in TV's "The Partridge Family" (ABC,…
When was the first atomic-powered submarine launched? The first atomic-powered submarine, the Nautilus, was launched at Groton, Connecticut, on June 21, 1954.
When was Medicare established in the United States? Federally funded health insurance for the disabled and those over 65 called Medicare was part of the Social Security Amendments of 1965. The Amendments also saw the beginning of Medicaid.
What was the first coast-to-coast highway in the United States? The Lincoln Highway was the first coast-to-coast paved road in the United States. Opened in 1913, it ran from New York to California.