Has a FIBA World Cup game ever ended 84-78?
Yes. FIBA World Cup has seen a final score of 84-78 3 times. It first happened on May 22, 1963, when Argentina beat Peru, and most recently on July 2, 2018, when France beat Russia.
That makes 84-78 the 96th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 85-78 has happened 1 times and 84-79 has happened 3 times. At one point the score disappeared for 37 years, between 1982 and 2019.