Name The Year: Alexander S Pushkin Russia, writer (Eugene Onegin), born.?

Questions

A person in his eighties is called a(n) __________?

The three number systems commonly used in computers are binary, decimal and _________?

This Tony Award-winning musical is actually a thinly veiled biography of Diana Ross and the Supremes?

When Saigon fell, the signal for all Americans to evacuate was this Bing Crosby song playing on the radio?

A word like 'NASA' formed from the initials of other words is a(n) _________?