Has an Olympic Basketball (Men) game ever ended 78-59?
Exactly once. On January 1, 1956, Brazil beat Chile 78-59, and no Olympic Basketball (Men) game before or since has ended that way. When it happened it was a scorigami, the first 78-59 in league history.
That makes 78-59 the 126th most common final score out of 698 that have ever occurred in Olympic Basketball (Men). One point away, 79-59 has happened never and 78-60 has happened 1 times.